List of USA satellites

This is a list of satellites and spacecraft which have been given USA designations by the United States Air Force. These designations have been applied to most United States military satellites since 1984, and replaced the earlier OPS designation.

As of June 2022, USA designations have been assigned to 331 space satellites. There is not always a one-to-one mapping between launch vehicles and mission spacecraft. This can occasionally result in gaps when maintaining records that incorrectly make that assumption, such as the "missing" entries for USA-163 (which are, symmetrically, contemporary with confusion over "splitting" spacecraft tracks).[1]

List
Sno Number Launch date Function Launch vehicle Other designations Status Remarks
1 USA-1 1984-06-13 Navigation Atlas E/F Navstar-9 Out of service
2 USA-2 1984-05-25 Reconnaissance Titan 34D KH-9 Deorbited: 18 October 1984 Launched with USA-3
3 USA-3 1984-05-25 ELINT Titan 34D SSF-D Out of service Launched with USA-2
4 USA-4 1984-08-28 Communications Titan 34B SDS Out of service
5 USA-5 1984-09-08 Navigation Atlas E/F Navstar-10 Out of service
6 USA-6 1984-12-04 Reconnaissance Titan 34D KH-11 Decayed: 31 December 1990
7 USA-7 1984-12-22 Missile detection Titan 34D / Transtage DSP-2-6R Retired: 31 December 1994
8 USA-8 1985-01-24 ELINT Space Shuttle Discovery Magnum Out of service
9 USA-9 1985-02-08 Communications Titan 34B SDS Out of service
10 USA-10 1985-10-09 Navigation Atlas E/F Navstar-11 Out of service
11 USA-11 1985-10-03 Communications Space Shuttle Atlantis DSCS-III-B4 Out of service Launched with USA-12
12 USA-12 1985-10-03 Communications Space Shuttle Atlantis DSCS-III-B5 Out of service Launched with USA-11
13 USA-13 1985-12-13 Inflatable ASAT target Scout-G ITV-1 Failed. Decayed: 1989-05-11 Launched with USA-14. Failed to inflate.
14 USA-14 1985-12-13 Inflatable ASAT target Scout-G ITV-2 Decayed: 1987-08-09 Launched with USA-13. Unused
15 USA-15 1986-02-09 ELINT / Ocean surveillance Atlas H NOSS (PARCAE/White Cloud) Out of service Deployed subsatellites, USA-16, 17 and 18
16 USA-16 1986-02-09 ELINT / Ocean surveillance Atlas H NOSS (PARCAE/White Cloud) Out of service Subsatellite of USA-15
17 USA-17 1986-02-09 ELINT / Ocean surveillance Atlas H NOSS (PARCAE/White Cloud) Out of service Subsatellite of USA-15
18 USA-18 1986-02-09 ELINT / Ocean surveillance Atlas H NOSS (PARCAE/White Cloud) Out of service Subsatellite of USA-15
19 USA-19 1986-09-05 Sensor development Delta 3920 SDI Deorbited: 1986-09-28
20 USA-20 1986-12-05 Communications Atlas G Fltsatcom-7
21 USA-21 1987-02-12 Communications Titan 34B SDS Out of service
22 USA-22 1987-05-15 ELINT / Ocean surveillance Atlas H NOSS (PARCAE/White Cloud) Out of service Deployed subsatellites, USA-23, 24 and 25
23 USA-23 1987-05-15 ELINT / Ocean surveillance Atlas H NOSS (PARCAE/White Cloud) Out of service Subsatellite of USA-22
24 USA-24 1987-05-15 ELINT / Ocean surveillance Atlas H NOSS (PARCAE/White Cloud) Out of service Subsatellite of USA-22
25 USA-25 1987-05-15 ELINT / Ocean surveillance Atlas H NOSS (PARCAE/White Cloud) Out of service Subsatellite of USA-22
26 USA-26 1987-06-20 Weather Atlas E/F DMSP-5D2 F3 (S8)
27 USA-27 1987-10-26 Reconnaissance Titan 34D KH-11 Decayed: 1992-05-31
28 USA-28 1987-11-29 Missile detection Titan 34D / Transtage DSP-2-5R Retired: 1987-12-31
29 USA-29 1988-02-03 Weather Atlas E/F DMSP-5D2 F4 (S-9)
30 USA-30 1988-02-08 Training satellite Delta 3910 SDI Deorbited: 1988-03-01
31 USA-31 1988-09-02 ELINT Titan 34D / Transtage Chalet Failed Placed in useless orbit due to Transtage malfunction
32 USA-32 1988-09-05 ELINT Titan 23G Singleton/SBWASS-R
33 USA-33 1988-11-06 Reconnaissance Titan 34D KH-11 Out of service
34 USA-34 1988-12-02 Radar reconnaissance Space Shuttle Atlantis Lacrosse Deorbited: 1997-03-25
35 USA-35 1989-02-14 Navigation Delta II 6925-9.5 GPS-II-1 Retired: 2000-04-14
36 USA-36 1989-03-24 Delta 3920-8 Delta Star Decayed: 1992-06-23
37 USA-37 1989-05-10 ELINT Titan 34D / Transtage Chalet Out of service
38 USA-38 1989-06-10 Navigation Delta II 6925-9.5 GPS-II-2 Out of service
39 USA-39 1989-06-14 Missile detection Titan IV / IUS DSP-1-14 F14 Decommissioned
40 USA-40 1989-08-08 Communications Space Shuttle Columbia SDS-2 Launched with USA-41
41 USA-41 1989-08-08 ELINT Space Shuttle Columbia SSF/COBRA BRASS Decayed: 1989-12-31 Launched with USA-40
42 USA-42 1989-08-18 Navigation Delta II 6925-9.5 GPS-II-3 Out of service
43 USA-43 1989-09-04 Communications Titan 34D / Transtage DSCS-III-06 Launched with USA-44
44 USA-44 1989-09-04 Communications Titan 34D / Transtage DSCS-III-07 Launched with USA-43
45 USA-45 1989-09-06 ELINT Titan 23G Singleton/SBWASS-R Failed Failed to leave parking orbit due to on-board propulsion malfunction
46 USA-46 1989-09-25 Communications Atlas G Fltsatcom-8
47 USA-47 1989-10-21 Navigation Delta II 6925-9.5 GPS-II-4 Out of service
48 USA-48 1989-11-23 ELINT Space Shuttle Discovery Magnum
49 USA-49 1989-12-11 Navigation Delta II 6925-9.5 GPS-II-5 Out of service
50 USA-50 1990-01-24 Navigation Delta II 6925-9.5 GPS-II-6 Out of service
51 USA-51 1990-02-14 Technology Delta II 6920-8 LACE/Losat-L Decayed: 2000-05-24 Launched with USA-52
52 USA-52 1990-02-14 Technology Delta II 6920-8 RME/Losat-R Decayed: 1992-05-24 Launched with USA-51
53 USA-53 1990-02-28 Reconnaissance Space Shuttle Atlantis Misty Presumed deorbited Stealth satellite. Last sighting in 1997.
54 USA-54 1990-03-26 Navigation Delta II 6925-9.5 GPS-II-7 Failed: 1996-05-21 Signal anomaly made satellite unusable
55 USA-55 1990-04-05 Communications Pegasus GLOMR-2/SECS/TERCEL
56 USA-56 1990-04-11 Technology Atlas E/F P87-2/Stacksat/POGS/SSR[2] Out of service Launched with USA-57 and 58
57 USA-57 1990-04-11 Technology Atlas E/F P87-2/Stacksat/TEX[3] Out of service Launched with USA-56 and 58
58 USA-58 1990-04-11 Technology Atlas E/F P87-2/Stacksat/SCE[3] Out of service Launched with USA-56 and 57
59 USA-59 1990-06-08 ELINT / Ocean surveillance Titan IV NOSS-2 Deployed subsatellites, USA-60, 61 and 62
60 USA-60 1990-06-08 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-59
61 USA-61 1990-06-08 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-59
62 USA-62 1990-06-08 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-59
63 USA-63 1990-08-02 Navigation Delta II 6925-9.5 GPS-II-8 Out of service
64 USA-64 1990-10-01 Navigation Delta II 6925-9.5 GPS-II-9 Out of service
65 USA-65 1990-11-13 Missile detection Titan IV / IUS DSP-1-14 F15 Decommissioned
66 USA-66 1990-11-26 Navigation Delta II 7925-9.5 GPS-IIA-1 Out of service
67 USA-67 1990-11-15 Communications Space Shuttle Atlantis SDS-2 Launched with Prowler; disguised as Magnum to hide Prowler's existence
68 USA-68 1990-12-01 Weather Atlas E/F DMSP-5D2 F5 (S-10) Failed Placed in useless orbit due to upper stage malfunction
69 USA-69 1991-03-08 Radar reconnaissance Titan IV Lacrosse Out of service
70 USA-70 1991-04-28 Technology development Space Shuttle Discovery MPEC
71 USA-71 1991-07-04 Navigation Delta II 7925-9.5 GPS-IIA-2 Out of service
72 USA-72 1991-11-08 ELINT / Ocean surveillance Titan IV NOSS-2 Deployed subsatellites, USA-74, 76 and 77
73 USA-73 1991-11-28 Weather Atlas E/F DMSP-5D2 F6 (S-12)
74 USA-74 1991-11-08 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-72
75 USA-75 1991-11-24 Missile detection Space Shuttle Atlantis DSP-1-14-F16
76 USA-76 1991-11-08 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-72
77 USA-77 1991-11-08 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-72
78 USA-78 1992-02-11 Communications Atlas II DSCS-III-08
79 USA-79 1992-02-23 Navigation Delta II 7925-9.5 GPS-IIA-3 Decommissioned
80 USA-80 1992-04-10 Navigation Delta II 7925-9.5 GPS-IIA-4 Out of service
81 USA-81 1992-04-25 ELINT Titan 23G Singleton/SBWASS-R
82 USA-82 1992-07-02 Communications Atlas II DSCS-III-09
83 USA-83 1992-07-07 Navigation Delta II 7925-9.5 GPS-IIA-5 Out of service
84 USA-84 1992-09-09 Navigation Delta II 7925-9.5 GPS-IIA-6 Out of service
85 USA-85 1992-11-22 Navigation Delta II 7925-9.5 GPS-IIA-7 Out of service
86 USA-86 1992-11-28 Optical reconnaissance Titan IV KH-11
87 USA-87 1992-12-18 Navigation Delta II 7925-9.5 GPS-IIA-8 Out of service
88 USA-88 1993-02-03 Navigation Delta II 7925-9.5 GPS-IIA-9 Out of service
89 USA-89 1992-12-02 Communications Space Shuttle Discovery SDS-2
90 USA-90 1993-03-30 Navigation Delta II 7925-9.5 GPS-IIA-10 Out of service
91 USA-91 1993-05-13 Navigation Delta II 7925-9.5 GPS-IIA-11 Out of service
92 USA-92 1993-06-26 Navigation Delta II 7925-9.5 GPS-IIA-12 Out of service
93 USA-93 1993-07-19 Communications Atlas II DSCS-III-10
94 USA-94 1993-08-30 Navigation Delta II 7925-9.5 GPS-IIA-13 Out of service
95 USA-95 1993-09-03 Communications Atlas I UHF F/O-2
96 USA-96 1993-10-26 Navigation Delta II 7925-9.5 GPS-IIA-14 Out of service
97 USA-97 1993-11-28 Communications Atlas II DSCS-III-11
98 USA-98 1993-12-08 Communications Delta II 7925 NATO-4B
99 USA-99 1994-02-07 Communications Titan IV / Centaur Milstar-DFS-1
100 USA-100 1994-03-10 Navigation Delta II 7925-9.5 GPS-IIA-15 Out of service
101 USA-101 1994-03-13 Technology development Taurus STEP-0 Launched with USA-102
102 USA-102 1994-03-13 Technology development Taurus DarpaSat Launched with USA-101
103 USA-103 1994-05-03 ELINT Titan IV / Centaur Trumpet
104 USA-104 1994-06-24 Communications Atlas I UHF F/O-3
105 USA-105 1994-08-27 ELINT Titan IV / Centaur Mercury
106 USA-106 1994-08-29 Weather Atlas E/F DMSP 5D-1 F12
107 USA-107 1994-12-22 Missile detection Titan IV / IUS DSP-1 F17 Active
108 USA-108 1995-01-29 Communications Atlas II UHF F/O-4
109 USA-109 1995-03-24 Weather Atlas E/F DMSP 5D-1 F13 Destroyed: 2015-02-03 Exploded after unknown malfunction, characterized as "sudden temperature spike". 47 tracked pieces of debris were produced.[4]
110 USA-110 1995-05-14 SIGINT Titan IV / Centaur Mentor
111 USA-111 1995-05-31 Communications Atlas II UHF F/O-5 Decommissioned
112 USA-112 1995-07-10 ELINT Titan IV / Centaur Trumpet
113 USA-113 1995-07-31 Communications Atlas IIA DSCS-III-B7 Decommissioned Retired on 9 December 2022.[5]
114 USA-114 1995-10-22 Communications Atlas II UHF F/O-6
115 USA-115 1995-11-06 Communications Titan IV / Centaur Milstar DFS-2
116 USA-116 1995-12-05 Optical reconnaissance Titan IV KH-11 Presumed deorbited not seen since late 2008
117 USA-117 1996-03-28 Navigation Delta II 7925-9.5 GPS-IIA-16 Out of service
118 USA-118 1996-04-24 ELINT Titan IV / Centaur Mercury
119 USA-119 1996-05-12 ELINT / Ocean surveillance Titan IV NOSS-2 Deployed subsatellites, USA-120, 121 and 122, Launched with USA-123 and 124
120 USA-120 1996-05-12 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-119
121 USA-121 1996-05-12 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-119
122 USA-122 1996-05-12 ELINT / Ocean surveillance Titan IV NOSS-2 Subsatellite of USA-119
123 USA-123 1996-05-12 Technology Titan IV TIPS-Ralph Launched with USA-119 and subsatellites, and USA-124
124 USA-124 1996-05-12 Technology Titan IV TIPS-Norton Launched with USA-119 and subsatellites, and USA-123
125 USA-125 1996-07-03 Communications Titan IV SDS-2
126 USA-126 1996-07-16 Navigation Delta II 7925-9.5 GPS-IIA-17 Decommissioned
127 USA-127 1996-07-25 Communications Atlas II UHF F/O-7
128 USA-128 1996-09-12 Navigation Delta II 7925-9.5 GPS-IIA-18 Out of service
129 USA-129 1996-12-20 Optical reconnaissance Titan IV 412 (KH-11) Out of service
130 USA-130 1997-02-23 Missile detection Titan IVB/IUS DSP-1-18 F18 Out of service
131 USA-131 1997-04-04 Weather Titan 23G DMSP 5D-2 F14
132 USA-132 1997-07-23 Navigation Delta II 7925-9.5 GPS-IIR-2 Active
133 USA-133 1997-10-24 Radar reconnaissance Titan IV NROL-3 (Lacrosse) Active
134 USA-134 1997-10-25 Communications Atlas IIA DSCS-III-B13 Launched with FalconSat-Gold
135 USA-135 1997-11-06 Navigation Delta II 7925-9.5 GPS-IIA-19 Out of service
136 USA-136 1997-11-06 ELINT Titan IV / Centaur NROL-4 (Trumpet)
137 USA-137 1998-01-29 Communications Atlas IIA NROL-5 (SDS-3) Capricorn
138 USA-138 1998-03-15 Communications Atlas II UHF F/O-8
139 USA-139 1998-05-09 SIGINT Titan IV / Centaur NROL-6 (Mentor)
140 USA-140 1998-10-20 Communications Atlas IIA UHF F/O-9
141 USA-141 1998-10-03 Debris Taurus ATEX Failed: 1999-01-16 Debris from STEX (NROL-8) satellite tether experiment
142 USA-142 1999-04-09 Missile detection Titan IVB/IUS DSP-1-18 F19 Failed: 1999-04-09 IUS failed to separate
Left in useless orbit
142 USA-143 1999-04-30 Communications Titan IV / Centaur Milstar DFS-3m Failed: 1999-04-30 Centaur programming error resulted in incorrect burn times, placed in useless orbit
144 USA-144 1999-05-22 Reconnaissance Titan IV NROL-9 (Misty) Unknown Stealth satellite, only object ever placed in orbit which amateurs are unable to track
145 USA-145 1999-10-07 Navigation Delta II 7925-9.5 GPS-IIR-3
146 USA-146 1999-11-23 Communications Atlas IIA UHF F/O-10
147 USA-147 1999-12-12 Weather Titan 23G DMSP 5D-3 F15
148 USA-148 2000-01-21 Communications Atlas IIA DSCS-III-B8
149 USA-149 2000-05-08 Missile detection Titan IVB/IUS DSP-1-18 F20 Active
150 USA-150 2000-05-11 Navigation Delta II 7925-9.5 GPS-IIR-4
151 USA-151 2000-07-16 Navigation Delta II 7925-9.5 GPS-IIR-5
152 USA-152 2000-08-17 Radar reconnaissance Titan IVB NROL-11 (Lacrosse/Onyx) Active
153 USA-153 2000-10-20 Communications Atlas IIA DSCS-III-B11
154 USA-154 2000-11-10 Navigation Delta II 7925-9.5 GPS-IIR-6 Decommissioned
155 USA-155 2000-12-06 Communications Atlas IIAS NROL-10 (SDS-3) Ursa Major/Great Bear
156 USA-156 2001-01-30 Navigation Delta II 7925-9.5 GPS-IIR-7
157 USA-157 2001-02-27 Communications Titan IV / Centaur Milstar DFS-4
158 USA-158 2001-05-18 Technology / Communications Delta II 7925-9.5 NROL-17 (GeoLITE)
159 USA-159 2001-08-06 Missile detection Titan IVB/IUS DSP-1-18 F21 Active
160 USA-160 2001-09-08 ELINT / Ocean surveillance Atlas IIAS NROL-13 (NOSS-3 "Intruder") Gemini; two satellites sharing one designation
161 USA-161 2001-10-05 Optical reconnaissance Titan IVB NROL-14 (KH-11) Active
162 USA-162 2001-10-11 Communications Atlas IIAS NROL-2 (SDS-3) Aquilla
163 USA-163 N/A N/A N/A N/A Number not assigned.[6] Some designation confusion due to contemporary flights with multiple payloads.[1][7]
164 USA-164 2002-01-16 Communications Titan IV / Centaur Milstar DFS-5
165 USA-165 2005-04-11 Technology development Minotaur XSS-11
166 USA-166 2003-01-29 Navigation Delta II 7925-9.5 GPS-IIR-8
167 USA-167 2003-03-11 Communications Delta IV M DSCS-III-A3
168 USA-168 2003-03-31 Navigation Delta II 7925-9.5 GPS-IIR-9
169 USA-169 2003-04-08 Communications Titan IV / Centaur Milstar DFS-6
170 USA-170 2003-08-29 Communications Delta IV M DSCS-III-B6
171 USA-171 2003-09-09 SIGINT Titan IV / Centaur NROL-19 (Mentor)
172 USA-172 2003-10-18 Weather Titan 23G DMSP 5D-3 F16
173 USA-173 2003-12-02 ELINT / Ocean surveillance Atlas IIAS NROL-18 (NOSS-3 "Intruder") Libra; two satellites sharing one designation
174 USA-174 2003-12-18 Communications Atlas IIIB UHF F/O-11
175 USA-175 2003-12-21 Navigation Delta II 7925-9.5 GPS-IIR-10
176 USA-176 2004-02-14 Missile detection Titan IVB/IUS DSP-1-18 F22 Active
177 USA-177 2004-03-20 Navigation Delta II 7925-9.5 GPS-IIR-11
178 USA-178 2004-06-23 Navigation Delta II 7925-9.5 GPS-IIR-12
179 USA-179 2004-08-31 Communications Atlas IIAS NROL-1 (SDS-3) Nemesis
180 USA-180 2004-11-06 Navigation Delta II 7925-9.5 GPS-IIR-13
181 USA-181 2005-02-03 ELINT / Ocean surveillance Atlas IIIB NROL-23 (NOSS-3 "Intruder") Canis Minor; two satellites sharing one designation
182 USA-182 2005-04-30 Radar reconnaissance Titan IVB NROL-16 (Lacrosse/Onyx) Active
183 USA-183 2005-09-26 Navigation Delta II 7925-9.5 GPS-IIR-14 (IIRM-1)
184 USA-184 2006-06-25 ELINT Delta IV M+(4,2) NROL-22 (Imp. Trumpet)
185 USA-185 2005-09-23 Technology development Minotaur STP-R1
186 USA-186 2005-10-19 Optical reconnaissance Titan IVB NROL-20 (KH-11) Active
187 USA-187 2006-06-21 Technology Delta II 7925 MiTEx-A Launched with USA-188 and 189
188 USA-188 2006-06-21 Technology Delta II 7925 MiTEx-B Launched with USA-187 and 189
189 USA-189 2006-06-21 Technology Delta II 7925 MiTEx Carrier Launched with USA-187 and 188
190 USA-190 2006-09-25 Navigation Delta II 7925-9.5 GPS-IIR-15 (IIRM-2) Active
191 USA-191 2006-11-04 Weather Delta IV M DMSP 5D-3 F17
192 USA-192 2006-11-17 Navigation Delta II 7925-9.5 GPS-IIR-16 (IIRM-3) Active
193 USA-193 2006-12-14 Radar Imaging Delta II 7920-10 NROL-21 Failed: 2006-12-14
Destroyed: 2008-02-21		 Failed immediately after separation from rocket. Destroyed by ASAT.
194 USA-194 2007-06-15 ELINT / Ocean surveillance Atlas V 401 NROL-30 (NOSS-3 "Intruder") Pyxis; two satellites under one designation
195 USA-195 2007-10-11 Communications Atlas V 421 WGS-1
196 USA-196 2007-10-17 Navigation Delta II 7925-9.5 GPS-IIR-17 (IIRM-4) Active
197 USA-197 2007-11-11 Missile detection Delta IV Heavy DSP-1-18 F23 Failed
198 USA-198 2007-12-10 Communications Atlas V 401 NROL-24 (SDS-3) Scorpius
199 USA-199 2007-12-20 Navigation Delta II 7925-9.5 GPS-IIR-18 (IIRM-5) Active
200 USA-200 2008-03-13 ELINT Atlas V 411 NROL-28 (Imp. Trumpet) [8]
201 USA-201 2008-03-15 Navigation Delta II 7925-9.5 GPS-IIR-19 (IIRM-6) Active
202 USA-202 2009-01-18 SIGINT Delta IV Heavy NROL-26 (Mentor) Active
203 USA-203 2009-03-24 Navigation Delta II 7925-9.5 GPS-IIR-20 (IIRM-7) Active
204 USA-204 2009-04-04 Communications Atlas V 421 WGS-2 Active
205 USA-205 2009-05-05 Technology Delta II 7920-10C STSS-ATRR Active
206 USA-206 2009-08-17 Navigation Delta II 7925-9.5 GPS IIR-21 (IIRM-8) Active Final GPS IIR satellite
207 USA-207 2009-09-08 SIGINT Atlas V 401 Palladium At Night (PAN) Active? First NEMESIS satellite
208 USA-208 2009-09-25 Technology Delta II 7920-10C STSS-Demo Decommissioned[9] Launched with USA-209
209 USA-209 2009-09-25 Technology Delta II 7920-10C STSS-Demo Decommissioned[9] Launched with USA-208
210 USA-210 2009-10-18 Weather Atlas V 401 DMSP-5D-3 F18 Active
211 USA-211 2009-12-06 Communications Delta IV M+(5,4) WGS-3 Active Last Block I WGS satellite
212 USA-212 2010-04-22 Technology Atlas V 501 Boeing X-37B OTV-1 Landed: 2010-12-03 Experimental spaceplane, maiden flight of first X-37B
213 USA-213 2010-05-28 Navigation Delta IV M+(4,2) GPS IIF-1 Active
214 USA-214 2010-08-14 Communications Atlas V 531 AEHF-1 Active
215 USA-215 2010-09-21 Radar reconnaissance Atlas V 501 NROL-41 (FIA-R) Active
216 USA-216 2010-09-26 Satellite tracking Minotaur IV SBSS-1 Active
217 USA-217 2010-11-20 Technology Minotaur IV / HAPS STPSat-1 Active Launched with USA-218, 219, 220, 221, 222 and NanoSail-D2
218 USA-218 2010-11-20 Science Minotaur IV / HAPS RAX Active Launched with USA-217, 219, 220, 221, 222 and NanoSail-D2. Civilian satellite, unclear why USA designation was assigned
219 USA-219 2010-11-20 Technology Minotaur IV / HAPS O/OREOS Active Launched with USA-217, 218, 220, 221, 222 and NanoSail-D2. Civilian satellite, unclear why USA designation was assigned
220 USA-220 2010-11-20 Technology demonstration Minotaur IV / HAPS FASTSAT Active Launched with USA-217, 218, 219, 221, 222 and NanoSail-D2. Civilian satellite, unclear why USA designation was assigned
221 USA-221 2010-11-20 Technology Minotaur IV / HAPS FalconSAT-5 Active Launched with USA-217, 218, 219, 220, 222 and NanoSail-D2
222 USA-222 2010-11-20 Technology Minotaur IV / HAPS FASTRAC Active Launched with USA-217, 218, 219, 220, 221 and NanoSail-D2. Two civilian satellites, unclear why USA designation was assigned
223 USA-223 2010-11-21 SIGINT Delta IV Heavy NROL-32 (Mentor) Active
224 USA-224 2011-01-20 Optical reconnaissance Delta IV Heavy NROL-49 (KH-11 Kennen) Active
225 USA-225 2011-02-06 Technology Minotaur I NROL-66 (Rapid Pathfinder Prototype) Active
226 USA-226 2011-03-05 Technology Atlas V 501 Boeing X-37B OTV-2 Landed: 2012-06-16 Spaceplane, maiden flight of second X-37B
227 USA-227 2011-03-11 Communications Delta IV M+(4,2) NROL-27 (SDS-3) Active
228 USA-228 2010-11-20 Technology Minotaur IV/HAPS FASTRAC Active This is the second of the pair of FASTRAC satellites, the first one being USA-222[10]
229 USA-229 2011-04-15 ELINT / Ocean surveillance Atlas V 411 NROL-34 (NOSS-3 "Intruder") Active Odin; two satellites sharing one designation
230 USA-230 2011-05-07 Missile detection Atlas V 401 SBIRS GEO-1 Active
231 USA-231 2011-06-30 Optical reconnaissance Minotaur I ORS-1 Active
232 USA-232 2011-07-16 Navigation Delta IV M+(4,2) GPS IIF-2 Active
233 USA-233 2012-01-20 Communications Delta IV M+(5,4) WGS-4 Active
234 USA-234 2012-04-03 Radar reconnaissance Delta IV M+(5,2) NROL-25 (FIA-R) Active
235 USA-235 2012-05-04 Communications Atlas V 531 AEHF-2 Active
236 USA-236 2012-06-20 Communications Atlas V 401 NROL-38 (SDS-3) Active
237 USA-237 2012-06-29 SIGINT Delta IV Heavy NROL-15 (Imp. Mentor) Active
238 USA-238 2012-09-13 ELINT / Ocean surveillance Atlas V 401 NROL-36 (NOSS-3 "Intruder") Active [11] Rosie; two satellites sharing one designation
239 USA-239 2012-10-04 Navigation Delta IV M+(4,2) GPS IIF-3 Active [12]
240 USA-240 2012-12-11 Technology Atlas V 501 Boeing X-37B OTV-3 Landed: 2014-10-17 [13]
241 USA-241 2013-03-19 Missile detection Atlas V 401 SBIRS GEO-2 Active
242 USA-242 2013-05-15 Navigation Atlas V 401 GPS IIF-4 Active
243 USA-243 2013-05-25 Communications Delta IV M+(5,4) WGS-5 Active
244 USA-244 2013-08-08 Communications Delta IV M+(5,4) WGS-6 Active
245 USA-245 2013-08-28 Optical reconnaissance Delta IV Heavy NROL-65 (KH-11 Kennen) Active
246 USA-246 2013-09-18 Communications Atlas V 531 AEHF-3 Active
247 USA-247 2013-12-06 Radar reconnaissance Atlas V 501 NROL-39 (FIA-R) Active
248 USA-248 2014-02-21 Navigation Delta IV M+(4,2) GPS IIF-5 Active
249 USA-249 2014-04-03 Weather Atlas V 401 DMSP-5D-3 F19 Inactive[14]
250 USA-250 2014-04-10 ELINT Atlas V 541 NROL-67 Active
251 USA-251 2014-05-17 Navigation Delta IV M+(4,2) GPS IIF-6 Active
252 USA-252 2014-05-22 Communications Atlas V 401 NROL-33 (SDS-3) Active
253 USA-253 2014-07-28 Surveillance Delta IV M+(4,2) GSSAP 1 Active Launched with USA-254 and USA-255
254 USA-254 2014-07-28 Surveillance Delta IV M+(4,2) GSSAP 2 Out of service Launched with USA-253 and USA-255
255 USA-255 2014-07-28 Technology Delta IV M+(4,2) ANGELS Out of service Launched with USA-253 and USA-254
256 USA-256 2014-08-02 Navigation Atlas V 401 GPS IIF-7 Active
257 USA-257 2014-09-17 ELINT Atlas V 401 CLIO[15] Active
258 USA-258 2014-10-29 Navigation Atlas V 401 GPS IIF-8 Active
259 USA-259 2014-12-13 ELINT Atlas V 401 NROL-35 Active
260 USA-260 2015-03-25 Navigation Delta IV M+(4,2) GPS IIF-9 Active
261 USA-261 2015-05-20 Technology Atlas V 501 Boeing X-37B OTV-4 Landed: 2017-05-07
262 USA-262 2015-07-15 Navigation Atlas V 401 GPS IIF-10 Active
263 USA-263 2015-07-24 Military communications Delta IV M+ (5,4) WGS-7 Active
264 USA-264 2015-10-08 ELINT / Ocean surveillance Atlas V 401 NROL-55 (NOSS-3 "Intruder") Active Two satellites sharing one designation. Also contained 13 CubeSats as part of the Government Rideshare Advanced Concepts Experiment (GRACE) Program.
265 USA-265 2015-10-31 Navigation Atlas V 401 GPS IIF-11 Active
266 USA-266 2016-02-05 Navigation Atlas V 401 GPS IIF-12 Active
267 USA-267 2016-02-10 Radar reconnaissance Delta IV M+(5,2) NROL-45 (FIA-R) Active
268 USA-268 2016-06-11 SIGINT Delta IV Heavy NROL-37 (Orion / Mentor) Active
269 USA-269 2016-07-28 Communications Atlas V 421 NROL-61 (Quasar, Spike) Active
270 USA-270 2016-08-19 Surveillance Delta IV M+(4,2) GSSAP 3 Active Launched with USA-271
271 USA-271 2016-08-19 Surveillance Delta IV M+(4,2) GSSAP 4 Active Launched with USA-270
272 USA-272 2016-12-07 Military communications Delta IV M+ (5,4) WGS-8 Active
273 USA-273 2017-01-21 Missile detection Atlas V 401 SBIRS GEO-3 Commissioning
274 USA-274 2017-03-01 ELINT / Ocean surveillance Atlas V 401 NROL-79 (NOSS-3 "Intruder") Active Two satellites sharing one designation.
275 USA-275 2017-03-19 Military communications Delta IV M+ (5,4) WGS-9 Active
276 USA-276 2017-05-01 Radar Imaging Falcon 9 Full Thrust NROL-76 Active Reimbursement for USA-193, Military Satellite. The so-called "Radar Imaging", which had a serious flaw and was the US Army, shot down. Destroyed: 21 Feb 2008.
277 USA-277 2017-09-07 Technology Falcon 9 Full Thrust Boeing X-37B OTV-5 Active
278 USA-278 2017-09-24 ELINT Atlas V 541 NROL-42 (Trumpet) Active
279 USA-279 2017-10-15 Communications Atlas V 421 NROL-52 (Quasar) Active
280 USA-280 2018-01-08 Classified Falcon 9 Full Thrust Zuma Presumably failed[16][17][18] Launch reported as successful, but satellite believed to have been lost after failing to separate from payload adapter.[19]
281 USA-281 2018-01-12 Radar reconnaissance Delta IV M+(5,2) NROL-47 (FIA-R) Active
282 USA-282 2018-01-20 Missile detection Atlas V 411 SBIRS GEO-4 Active
283 USA-283 2018-04-14 Communications Atlas V 551 AFSPC-11 / CBAS Active
284 USA-284 2018-04-14 Technology demonstration Atlas V 551 AFSPC-11 / EAGLE Active Payload carrier which further deployed USA-285 to USA-287 experiments
285 USA-288 2018-10-17 Communications Atlas V 551 AEHF-4 Active
286 USA-289 2018-12-23 Navigation Falcon 9 Block 5 GPS III-SV01 Active First GPS Block III satellite, named Vespucci
287 USA-290 2019-01-19 Optical reconnaissance Delta IV Heavy NROL-71 (KH-11 Kennen) Active
288 USA-291 2019-03-15 Military communications Delta IV M+ (5,4) WGS-10 Active
289 USA-292 2019-08-08 Communications Atlas V 551 AEHF-5 Active TDO-1 cubesat deployed
290 USA-293 2019-08-22 Navigation Delta IV GPS III-SV02 Active Second GPS Block III satellite, named Magellan
291 USA-294 2020-01-31 Classified Electron NROL-151 Unknown
292 USA-295 2017-09-07 Classified Falcon 9 Unknown Unknown Cubesat deployed by Boeing X-37 spaceplane. Unannounced until 2020.
293 USA-296 2017-09-07 Classified Falcon 9 Unknown Unknown Cubesat deployed by Boeing X-37 spaceplane.
294 USA-297 2017-09-07 Classified Falcon 9 Unknown Unknown Cubesat deployed by Boeing X-37 spaceplane.
295 USA-298 2020-03-26 Communications Atlas V 551 AEHF-6 Testing TDO-2 cubesat deployed
296 USA-299 2020-05-17 Technology Atlas V 501 Boeing X-37B OTV-6 (USSF-7) Landed: 2022-11-12
297 USA-300 2020-05-17 Atlas V 501 FalconSAT-8 Cubesat deployed by Boeing X-37B spaceplane.
298 USA-301 2020-06-13 Classified Electron RASR-2
299 USA-302 2020-06-13 Classified Electron RASR-2
300 USA-303 2020-06-13 Classified Electron RASR-2
301 USA-304 2020-06-30 Navigation Falcon 9 Block 5 GPS III-SV03 Active Third GPS Block III satellite, named Matthew Henson
302 USA-305 2020-07-15 Minotaur IV / Orion 38 NROL-129
303 USA-306 2020-07-15 Minotaur IV / Orion 38 NROL-129
304 USA-307 2020-07-15 Minotaur IV / Orion 38 NROL-129
305 USA-308 2020-07-15 Minotaur IV / Orion 38 NROL-129
306 USA-309 2020-11-05 Navigation Falcon 9 Block 5 GPS III-SV04 Fourth GPS Block III satellite, named Sacagawea
307 USA-310 2020-11-13 Atlas V 531 NROL-101
308 USA-311 2020-12-10 SIGINT Delta IV Heavy NROL-44 (mentor)
309 USA-312 2020-12-19 Falcon 9 Block 5 NROL-108 Launched with USA-313
310 USA-313 2020-12-19 Falcon 9 Block 5 NROL-108 Launched with USA-312
311 USA-314 2021-04-26 Optical reconnaissance Delta IV Heavy NROL-82 (EIS) Entered service, presumed active Sun-synchronous orbit
312 USA-315 2021-05-18 Early warning Atlas V 421 SBIRS GEO-5 Entered service, presumed active
313 USA-316 2021-06-15 Reconnaissance Minotaur I NROL-111 Entered service, presumed active Launched with USA-317 and USA-318
314 USA-317 2021-06-15 Reconnaissance Minotaur I NROL-111 Entered service, presumed active Launched with USA-316 and USA-318
315 USA-318 2021-06-15 Reconnaissance Minotaur I NROL-111 Entered service, presumed active Launched with USA-316 and USA-317
316 USA-319 2021-06-17 Navigation Falcon 9 Block 5 GPS III-SV05 Fifth GPS Block III satellite, named Neil Armstrong
317 USA-320 2022-01-13 Falcon 9 Block 5 Unknown Launched with USA-321, USA-322 and USA-323 on Transporter 3 Rideshare Launch. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), were deployed by the US army. Their purpose has not been revealed, but is likely either technical demonstration, communications, earth observation or signals intelligence.
318 USA-321 2022-01-13 Falcon 9 Block 5 Unknown Decayed: 2023-04-01 Launched with USA-320, USA-322 and USA-323 on Transporter 3 Rideshare Launch. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), were deployed by the US army. Their purpose has not been revealed, but is likely either technical demonstration, communications, earth observation or signals intelligence.
319 USA-322 2022-01-13 Falcon 9 Block 5 Unknown Decayed: 2023-04-02 Launched with USA-320, USA-321 and USA-323 on Transporter 3 Rideshare Launch. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), were deployed by the US army. Their purpose has not been revealed, but is likely either technical demonstration, communications, earth observation or signals intelligence.
320 USA-323 2022-01-13 Falcon 9 Block 5 Unknown Decayed: 2023-04-02 Launched with USA-320, USA-321 and USA-322 on Transporter 3 Rideshare Launch. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), were deployed by the US army. Their purpose has not been revealed, but is likely either technical demonstration, communications, earth observation or signals intelligence.
321 USA-324 2022-01-21 Space surveillance Atlas V 511 GSSAP 5 (Hornet 5) Active Launched with USA-325
322 USA-325 2022-01-21 Space surveillance Atlas V 511 GSSAP 6 (Hornet 6) Active Launched with USA-324
323 USA-326 2022-02-02 Falcon 9 Block 5 NROL-87 Entered service, presumed active
324 USA-327 2022-04-17 ELINT / Ocean surveillance Falcon 9 Block 5 NROL-85 (NOSS-3 "Intruder") Entered service, presumed active
325 USA-328 2022-06-19 Falcon 9 Block 5 Unknown Launched with USA-329, USA-330, USA-331 and Globalstar FM15. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), based on the deployment structure seen in the launch video. Their purpose has not been revealed, but is likely either technical demonstration, communications, earth observation or signals intelligence.
326 USA-329 2022-06-19 Falcon 9 Block 5 Unknown Launched with USA-328, USA-330, USA-331 and Globalstar FM15. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), based on the deployment structure seen in the launch video. Their purpose has not been revealed, but is likely either technical demonstration, communications, earth observation or signals intelligence.
327 USA-330 2022-06-19 Falcon 9 Block 5 Unknown Launched with USA-328, USA-329, USA-331 and Globalstar FM15. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), based on the deployment structure seen in the launch video. Their purpose has not been revealed, but is likely either technical demonstration, communications, earth observation or signals intelligence.
328 USA-331 2022-06-19 Falcon 9 Block 5 Unknown Launched with USA-328, USA-329, USA-330 and Globalstar FM15. Likely the satellites were built by SpaceX based on the Starshield bus (based on Starlink Block v1.5 technology), based on the deployment structure seen in the launch video. Their purpose has not been revealed, but is likely either technical demonstration, communications, earth observation or signals intelligence.
329 USA-332 2022-07-01 Early warning / Technology Atlas V 541 WFOV (USSF-12) Active Launched with USA-333 (USSF-12 Ring)
330 USA-333 2022-07-01 Experimental Atlas V 541 USSF-12 Ring Active Launched with USA-332. Payload carrier which further deployed USA-337.
331 USA-334 2022-07-13 Electron NROL-162 (RASR-3)
332 USA-335 2022-08-04 Electron NROL-199 (RASR-4)
333 USA-336 2022-08-04 Early warning Atlas V 421 SBIRS GEO-6 Entered service, presumed active
334 USA-337 2022-07-01 Atlas V 541 Unknown Launched with USA-332 and USA-333. It was ejected from USSF-12 Ring (USA-333).[20]
335 USA-338 2022-09-24 Optical reconnaissance Delta IV Heavy NROL-91 (KH-11 19) Entered service, presumed active spy satellite, has been spotted
336 USA-339 2022-11-01 Technology demonstration Falcon Heavy Shepherd Demonstration Entered service, presumed active Launched with LDPE-2, LINUSS-A1/A2, TETRA-1 and Alpine as part of the USSF-44 mission.
337 USA-340 2022-11-01 Technology demonstration Falcon Heavy Entered service, presumed active Launched with Shepherd Demonstration and LDPE-2 as part of the USSF-44 mission. It was ejected from LDPE-2. TETRA-1 and Alpine are possible matches for this satellite.
338 USA-341 2022-11-01 Technology demonstration Falcon Heavy Entered service, presumed active Launched with Shepherd Demonstration and LDPE-2 as part of the USSF-44 mission. It was ejected from LDPE-2. TETRA-1 and Alpine are possible matches for this satellite.
339 USA-342 2023-01-16 Communications Falcon Heavy CBAS 2 Launched with LDPE-3A as part of the USSF-67 mission.
340 USA-343 2023-01-18 Navigation Falcon 9 Block 5 GPS III-SV06 Active Sixth GPS Block III satellite, named Amelia Earhart
341 USA-344 2022-11-01 Technology demonstration Falcon Heavy USUVL Active Launched with Shepherd Demonstration and LDPE-2 as part of the USSF-44 mission. It separated from one of the other spacecrafts onboard on 9 January 2023.[21]
342 USA-345 2023-06-22 SIGINT Delta IV Heavy NROL-68 (Orion 11) Active
343 USA-346 2023-09-10 Space domain awareness Atlas V 551 NROL-107
(Silentbarker 1)		 Entered service, presumed active Launched with USA-347 and USA-348.
344 USA-347 2023-09-10 Space domain awareness Atlas V 551 NROL-107
(Silentbarker 2)		 Entered service, presumed active Launched with USA-346 and USA-348.
345 USA-348 2023-09-10 Space domain awareness Atlas V 551 NROL-107
(Silentbarker 3)		 Entered service, presumed active Launched with USA-346 and USA-347.

See also

References
  1. "SeeSat-L - Milstar 5 on OIG". SeeSat-L. 16 January 2002. Retrieved 1 October 2012.
  2. "Stacksat (POGS & SSR / TEX / SCE)". Gunter's Space Page. 25 July 2012. Retrieved 1 October 2012.
  3. "Stacksat P87-2". Astronautix.com. Archived from the original on 5 October 2012. Retrieved 1 October 2012.
  4. Berger, Brian; March 2015, Mike Gruss 02 (2 March 2015). "20-Year-Old Military Weather Satellite Apparently Exploded in Orbit". Space.com.
  5. Gibson, Hillary (14 December 2022). "SpOC officially retires DSCS satellite". Space Operations Command. United States Space Force. Retrieved 2 January 2023.
  6. Lafleur, Claude (1 October 2004). "Spacecrafts [sic] Launched in 2001". Retrieved 27 May 2015.
  7. Graham, William (11 March 2011). "Delta IV dodges upper level winds and launches with NROL-27 satellite". NASASpaceFlight.com. Retrieved 15 July 2016.
  8. "NASA - NSSDC - Spacecraft - Details". National Space Science Data Center. Retrieved 1 October 2012.
  9. Erwin, Sandra (14 March 2022). "DoD decommissions two missile-tracking satellites after 12 years in orbit". SpaceNews. Retrieved 15 March 2022.
  10. "Jonathan's Space Report No. 640". Jonathan McDowell. Archived from the original on 24 March 2012. Retrieved 18 May 2011.
  11. "USA 238". National Space Data Science Center. NASA. Retrieved 24 December 2012.
  12. "United Launch Alliance Delta IV Successfully Launches Global Positioning System Satellite for the US Air Force". United Launch Alliance. 4 October 2012. Archived from the original on 7 December 2013. Retrieved 24 December 2012.
  13. "OTV-3". National Space Data Science Center. NASA. Retrieved 24 December 2012.
  14. Gruss, Mike (25 July 2016). "U.S. Air Force blames power failure for loss of DMSP-F19 weather satellite". SpaceNews.
  15. "CLIO Atlas V Mission Overview" (PDF). United Launch Alliance. 2014. Archived from the original (PDF) on 4 March 2016. Retrieved 8 February 2016.
  16. Berger, Eric (8 January 2018). "It's not official, but sources say the secretive Zuma satellite was lost". Ars Technica. Retrieved 8 January 2018.
  17. Pasztor, Andy (9 April 2018). "Probes Point to Northrop Grumman Errors in January Spy-Satellite Failure". The Wall Street Journal. Retrieved 8 April 2018.
  18. Sheetz, Michael (9 April 2018). "Northrop Grumman, not SpaceX, reported to be at fault for loss of top-secret Zuma satellite". Yahoo! Finance. CNBC. Retrieved 26 August 2018.
  19. Grush, Loren (9 January 2018). "Did SpaceX's secret Zuma mission actually fail?". The Verge. Retrieved 9 January 2018.
  20. Jonathan McDowell [@planet4589] (21 August 2022). "Space-Track has cataloged USA 337, a new payload (presumably 100 kg ESPASat class) ejected from the USSF 12 Ring spacecraft launched on Jul 1 to near-synchronous orbit. However, the orbital elements are currently secret. Catalog is 53521 (2022-073E)" (Tweet) – via Twitter.
  21. "USN support of the geosynchronous test spacecraft USUVL from USN's Hawaiian earth station". U.S. Space Force. Retrieved 10 May 2023.
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