List of Thor and Delta launches (2010–2019)

Last updated

As of October 2018, only the Delta IV remains in production. Single-stick versions of Delta IV was retired by United Launch Alliance (ULA) in 2019 and replaced by the ULA Atlas V, leaving the Delta IV Heavy the only remaining operational member of the Delta family, flying US national security missions. [1]

Contents

List of Thor and Delta launches
1957–1959 · 1960–1969 · 1970–1979 · 1980–1989 · 1990–1999 · 2000–2009 · 2010–2019 · 2020–2024

Notable missions

Gravity Recovery and Interior Laboratory (GRAIL)

Orbiting Carbon Observatory 2 (OCO-2)

Exploration Flight Test-1 (EFT-1)

Soil Moisture Active Passive (SMAP)

Launch statistics

Rocket configurations

1
2
3
4
5
6
'11
'12
'13
'14
'15
'16
'17
'18
'19
  •   Delta II (7000)
  •   Delta II (7000H)
  •   Delta IV Medium+ (4,2)
  •   Delta IV Medium+ (5,2)
  •   Delta IV Medium+ (5,4)
  •   Delta IV Heavy

Launch sites

1
2
3
4
5
6
2010
'11
'12
'13
'14
'15
'16
'17
'18
'19
  •   Cape Canaveral SLC-17B
  •   Cape Canaveral SLC-37B
  •   Vandenberg SLC-2W
  •   Vandenberg SLC-6

Launch outcomes

1
2
3
4
5
6
2010
'11
'12
'13
'14
'15
'16
'17
'18
'19

Launch history

2010

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
3484 March 2010
23:57		 Delta IV M+ (4,2) CCAFS SLC-37B GOES-P (GOES-15)3,238 kg GTO NASA Success [2]
NOAA Weather satellite in the Geostationary Operational Environmental Satellite (GOES) program. Replaced GOES-11 as the GOES West satellite.
34928 May 2010
03:00		 Delta IV M+ (4,2) CCAFS SLC-37B USA-213 (GPS IIF SV-1)1,630 kg MEO US Air Force Success [3]
Navigation satellite
3506 November 2010
02:20		 Delta II 7420-10C VAFB SLC-2W COSMO-4 1,900 kg SSO Italian Space Agency Success [4] [5]
Earth imaging / One of four reconnaissance and Earth observation satellites. The satellite's imagery will be applied to defense and security assurance in Italy and other countries, seismic hazard analysis, environmental disaster monitoring, and agricultural mapping. [6]
35121 November 2010
22:58		 Delta IV Heavy CCAFS SLC-37B USA-223 (NROL-32)Classified GEO US NRO Success [7]
ELINT satellite

2011

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
35220 January 2011
21:10		 Delta IV Heavy VAFB SLC-6 USA-224 (NROL-49)19,600 kg LEO US NRO Success [8]
Reconnaissance satellite. First Delta IV Heavy launch from Vandenberg [8]
35311 March 2011
23:38		 Delta IV M+ (4,2) CCAFS SLC-37B USA-227 (NROL-27)2335 kg GTO US NRO Success [9]
Military comsat.
35410 June 2011
14:20		 Delta II 7320-10C VAFB SLC-2W SAC-D 1,350 kg SSO CONAE / NASA Success [10]
A technology demonstration and Earth observation satellite. The launch was delayed from May 2010 because development of the spacecraft was taking longer than expected. [11]
35516 July 2011
06:41		 Delta IV M+ (4,2) CCAFS SLC-37B USA-232 (GPS IIF-2)1,630 kg MEO US Air Force Success [12]
Navigation satellite
35610 September 2011
13:08		 Delta II 7920H-10C CCAFS SLC-17B GRAIL 307 kg Lunar orbit NASA/JPL Success [13]
Final Delta II Heavy launch and final launch from SLC-17 at CCAFS. Part of NASA's Discovery Program which used high-quality gravitational field mapping of the Moon to determine its interior structure. The launch was delayed several days due to high level winds and an issue with the rocket's propulsion system that was detected while the Delta 2 rocket was drained of fuel.
35728 October 2011
09:48		 Delta II 7920-10C VAFB SLC-2W Suomi NPP / ELaNa III 1,400 kg SSO NASA / NOAA / DoD Success [14]
A weather satellite that acts as a bridge between POES satellites and the Joint Polar Satellite System. The satellite measures climate data. The launch also included the secondary payload ELaNa III, 5 CubeSats that are part of the Educational Launch of Nanosatellites NASA program.

2012

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
35820 January 2012
00:38		 Delta IV M+ (5,4) CCAFS SLC-37B USA-233 (WGS-4)5,987 kg GTO US Air Force Success [15]
Military comsat
3593 April 2012
23:12		 Delta IV M+ (5,2) VAFB SLC-6 USA-234 (NROL-25)Classified LEO US NRO Success [16]
First Delta IV Medium+ (5,2) launch, Reconnaissance satellite
36029 June 2012
13:15		 Delta IV Heavy CCAFS SLC-37B USA-237 (NROL-15)Classified GSO US NRO Success [17]
First flight with RS-68A engines, ELINT satellite
3614 October 2012
12:10		 Delta IV M+ (4,2) CCAFS SLC-37B USA-239 (GPS IIF-3)1,630 kg MEO US Air Force Success [18]
Upper stage anomaly, [19] Satellite navigation

2013

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
36225 May 2013
00:27		 Delta IV M+ (5,4) CCAFS SLC-37B USA-243 (WGS-5)5,987 kg GTO US Air Force Success [20]
Military comsat
3638 August 2013
00:29		 Delta IV M+ (5,4) CCAFS, SLC-37B USA-244 (WGS-6)5987 kg GTO US Air Force Success [21]
Military comsat
36428 August 2013
18:03		 Delta IV Heavy VAFB, SLC-6 USA-245 (NROL-65)Classified LEO US NRO Success [22]
First launch with staggered ignition sequence, new Delta IV Heavy launch standard, reconnaissance satellite.

2014

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
36521 February 2014
01:59		 Delta IV M+ (4,2) CCAFS SLC-37B USA-248 (GPS IIF-5)1,630 kg MEO US Air Force Success [23]
25th Delta IV launch, Satellite navigation
36617 May 2014
00:03		 Delta IV M+ (4,2) CCAFS SLC-37B USA-251 (GPS IIF-6)1,630 kg MEO US Air Force Success [24]
Navigation satellite
3672 July 2014
09:56		 Delta II 7320-10C VAFB SLC-2W OCO-2 454 kg SSO NASA Success [25]
Climate research satellite being used to study carbon dioxide concentrations and distributions in the atmosphere. The initial launch attempt on 1 July at 09:56:44 UTC was scrubbed at 46 seconds on the countdown clock due to a faulty valve on the water suppression system, used to flow water on the launch pad to dampen the acoustic energy during launch.
36828 July 2014
23:28		 Delta IV M+ (4,2) CCAFS SLC-37B USA-253/254/255 (AFSPC-4 (GSSAP #1/#2/ANGELS))Classified GEO DoD/AFRL Success [26]
Space surveillance  / Technology demonstration
369 5 December 2014
12:05		 Delta IV Heavy CCAFS SLC-37B EFT-1 25,848 kg MEO NASA Success [27]
First Delta IV Heavy launch for NASA. The mission was a four-hour, two-orbit test of the Orion Multi-Purpose Crew Vehicle. The launch was delayed several hours due to weather and technical reasons.

2015

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
37031 January 2015
14:22		 Delta II 7320-10C VAFB SLC-2W SMAP/ELaNa X 944 kg SSO NASA Success [28]
Final launch of Delta II 7300 series. [1] Environmental research satellite. SMAP provides measurements of the land surface soil moisture and freeze-thaw state with near-global revisit coverage in 2–3 days. The launch also included the secondary payload ELaNa X, 3 CubeSats that are part of the Educational Launch of Nanosatellites NASA program.
37125 March 2015
18:36		 Delta IV M+ (4,2) CCAFS SLC-37B USA-260 (GPS IIF-9)1,630 kg MEO US Air Force Success [29]
Final launch of baseline RS-68 engine, [30] Navigation satellite
37224 July 2015
00:07		 Delta IV M+ (5,4) CCAFS SLC-37B USA-263 (WGS-7)5,987 kg GTO DoD Success [31]
Second flight with an RS-68A engine; New standard for Delta IV rockets, Military comsat

2016

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
37310 February 2016, 11:40 Delta IV M+ (5,2) VAFB SLC-6 USA-267 (NROL-45)Classified LEO US NRO Success [32]
Reconnaissance satellite
37411 June 2016
17:51		 Delta IV Heavy CCAFS SLC-37B USA-268 (NROL-37)Classified GSO US NRO Success [33]
Reconnaissance satellite
37519 August 2016
04:52		 Delta IV M+ (4,2) CCAFS SLC-37B USA-270/271 (AFSPC-6 (GSSAP #3/#4))Classified GEO DoD Success [34]
Space surveillance satellite
3767 December 2016
23:53		 Delta IV M+ (5,4) CCAFS SLC-37B USA-272 (WGS-8)5,987 GTO DoD Success [35]
Military comsat

2017

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
37719 March 2017
00:18		 Delta IV M+ (5,4) CCAFS SLC-37B USA-275 (WGS-9)5,987 kg GTO DoD Success [36]
Military comsat
37818 November 2017
09:47		 Delta II 7920-10C VAFB SLC-2W JPSS-1/NOAA-20 2,540 kg SSO NOAA Success [37]
Final flight of the Delta II 7900 series. The NOAA-20 launch was delayed several times, from 2014 to 2017, due to various testing problems. First satellite of the JPSS series weather satellite system. JPSS will provide the global environmental data used in numerical weather prediction models for forecasts, and scientific data used for climate monitoring. Re-designated NOAA-20. [38]

2018

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
37912 January 2018
22:11		 Delta IV M+ (5,2) VAFB SLC-6 USA-281 (NROL-47)Classified LEO US NRO Success [39]
Final flight of Delta IV M+(5,2) variant. Reconnaissance satellite.
38012 August 2018, 07:31 Delta IV Heavy CCAFS SLC-37B Parker Solar Probe 685 kg Heliocentric NASA Success
Only use of Delta IV Heavy with Star 48BV third stage (9255H). Heliophysics; 8.5 solar radii (5.9 million km) perihelion.
38115 September 2018, 13:02 Delta II 7420-10C VAFB SLC-2W ICESat-2 1,514 kg LEO NASA Success
Final Delta II launch and final flight of a Thor-derived launch vehicle. 100th successful launch of a Delta II in a row. Earth science satellite.

2019

Flight No.Date / time (UTC)Rocket,
Configuration		Launch sitePayloadPayload massOrbitCustomerLaunch
outcome
38219 January 2019
19:10		 Delta IV Heavy VAFB, SLC-6 USA-290 (NROL-71)Classified LEO US NRO Success [40]
38316 March 2019
00:26		 Delta IV M+ (5,4) CCAFS, SLC-37B USA-291 (WGS-10)5,987 kg GTO DoD Success [41]
Final flight of Delta IV M+(5,4) variant. Military comsat.
38422 August 2019
13:06		 Delta IV M+ (4,2) CCAFS, SLC-37B USA-293 (GPS III-2)3,705 kg MEO US Air Force Success [42]
Final flight of the single-stick Delta IV Medium configuration. [42] Navigation satellite.

See also

Related Research Articles

<span class="mw-page-title-main">Delta IV</span> Retired expendable launch system in the Delta rocket family

Delta IV was a group of five expendable launch systems in the Delta rocket family introduced in the early 2000s. Originally designed by Boeing's Defense, Space and Security division for the Evolved Expendable Launch Vehicle (EELV) program, the Delta IV became a United Launch Alliance (ULA) product in 2006. The Delta IV was primarily a launch vehicle for United States Air Force (USAF) military payloads, but was also used to launch a number of United States government non-military payloads and a single commercial satellite.

<span class="mw-page-title-main">Atlas V</span> Expendable launch system

Atlas V is an expendable launch system and the fifth major version in the Atlas launch vehicle family. It was originally designed by Lockheed Martin, now being operated by United Launch Alliance (ULA), a joint venture between Lockheed Martin and Boeing. It is used for DoD, NASA, and Commercial payloads. It is America's longest-serving active rocket. After 87 launches, in August 2021 ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold. As of January 2024, 17 launches remain. Other future ULA launches will use the new Vulcan Centaur rocket.

<span class="mw-page-title-main">Vandenberg Space Launch Complex 6</span> Launch pad

Space Launch Complex 6 at Vandenberg Space Force Base in California is a launch pad and support area. The site was originally developed starting in 1966, but no launches occurred until 1995, as it was repurposed sequentially for three programs that were subsequently cancelled. Initially to be used for Titan IIIM rockets and the Manned Orbiting Laboratory, these were cancelled before construction of SLC-6 was complete. The complex was later rebuilt to serve as the west coast launch site for the Space Shuttle, but went unused due to budget, safety and political considerations. The pad was subsequently used for four Athena rocket launches before being modified to support the Delta IV launch vehicle family, which used the pad for ten launches from 2006 until 2022. The last Delta IV launched in September 2022, and SpaceX leased SLC-6 in 2023 to convert it to launch Falcon 9 and Falcon Heavy starting in 2025.

<span class="mw-page-title-main">United Launch Alliance</span> Joint venture of Lockheed Martin and Boeing

United Launch Alliance, LLC, commonly referred to as ULA, is an American aerospace manufacturer, defense contractor and launch service provider that manufactures and operates rockets that launch spacecraft into Earth orbit and on trajectories to other bodies in the Solar System. ULA also designed and builds the Interim Cryogenic Propulsion Stage for the Space Launch System (SLS).

<span class="mw-page-title-main">Wideband Global SATCOM</span> Defense satellite communications project

The Wideband Global SATCOM system (WGS) is a high capacity United States Space Force satellite communications system planned for use in partnership by the United States Department of Defense (DoD), Canadian Department of National Defence (DND) and the Australian Department of Defence. The system is composed of the Space Segment satellites, the Terminal Segment users and the Control Segment operators.

<span class="mw-page-title-main">Delta IV Heavy</span> Variant of the Delta IV space launch vehicle

The Delta IV Heavy was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It was the world's third highest-capacity launch vehicle in operation at the time of its retirement in 2024, behind NASA's Space Launch System and SpaceX's Falcon Heavy and closely followed by CASC's Long March 5. It was manufactured by United Launch Alliance (ULA) and was first launched in 2004. ULA retired the Delta IV Heavy in 2024. Future ULA launches will use the new Vulcan Centaur rocket. Delta IV's final flight was initially scheduled for March 29, 2024 for the National Reconnaissance Office; its actual launch date was April 9, 2024 after a postponement.

<span class="mw-page-title-main">USA-202</span>

USA 202, previously NRO Launch 26 or NROL-26, is a classified spacecraft which is operated by the United States National Reconnaissance Office. It is an Advanced Orion ELINT satellite. According to Aviation Week, it "fundamentally involves America's biggest, most secret and expensive military spacecraft on board the world's largest rocket." The combined cost of the spacecraft and launch vehicle has been estimated to be over US$2 billion.

USA-227, known before launch as NRO Launch 27 (NROL-27), is an American communications satellite which was launched in 2011. It is operated by the United States National Reconnaissance Office.

<span class="mw-page-title-main">USA-233</span> United States Space Force military communications satellite constellation

USA-233, or Wideband Global SATCOM 4 (WGS-4) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM program, launched in 2012. The fourth Wideband Global SATCOM satellite, it is the first WGS Block II satellite to be launched. It is stationed at 88.5° East in geostationary orbit.

<span class="mw-page-title-main">USA-243</span> United States Space Force military communications satellite constellation

USA-243, also known as WGS-5, is a United States military communications satellite. It was the fifth satellite to be launched as part of the Wideband Global SATCOM program and the second Block II satellite.

<span class="mw-page-title-main">USA-245</span> American reconnaissance satellite

USA-245 or NRO Launch 65 (NROL-65) is an American reconnaissance satellite which is operated by the National Reconnaissance Office. Launched in August 2013, it is the last Block 4 KH-11 reconnaissance satellite, and the last official spacecraft to be launched in the Keyhole program.

<span class="mw-page-title-main">USA-211</span> United States Space Force military communications satellite constellation

USA 211, or Wideband Global SATCOM 3 is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme. Launched in 2009, it was the third WGS satellite, and final Block I satellite, to reach orbit. It was originally stationed in geostationary orbit at 12° West.

<span class="mw-page-title-main">USA-244</span> United States Space Force military communications satellite constellation

USA-244, or Wideband Global SATCOM 6 (WGS-6) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM programme. Launched in 2013, it was the sixth WGS satellite to reach orbit. It is stationed at a longitude of 135° West, in geostationary orbit. WGS-6 was procured by the Australian Defence Force for the U.S. Air Force, in exchange for participation in the programme.

References

  1. 1 2 Ray, Justin (4 March 2015). "Could Delta rockets soon be a thing of the past?". Spaceflight Now. Retrieved 8 December 2016.
  2. ↑ "United Launch Alliance Successfully Launches NASA/NOAA Weather Satellite Mission". United Launch Alliance. 4 March 2010. Archived from the original on 7 December 2013. Retrieved 3 February 2013.
  3. ↑ "ULA Marks Delta 50th Anniversary with Successful Delta IV GPS IIF SV-1 Launch". United Launch Alliance. 27 May 2010. Archived from the original on 7 December 2013. Retrieved 3 February 2013.
  4. ↑ "United Launch Alliance Launches 350th Delta in Programs's 50-Year History Mission". United Launch Alliance. 5 November 2010. Archived from the original on 7 December 2013. Retrieved 3 February 2013.
  5. ↑ Delta II finally launches with COSMO-4 | NASASpaceFlight.com
  6. ↑ "SPACEHAB Subsidiary Signs New Contracts Totaling $4.7 Million". SPACEHAB.
  7. ↑ "Huge rocket launches secret U.S. spy satellite". MSNBC.com. 22 November 2010. Archived from the original on 23 November 2010. Retrieved 22 November 2010.
  8. 1 2 "United Launch Alliance Launches First West Coast Delta IV Heavy Mission". United Launch Alliance. 20 January 2011. Archived from the original on 7 December 2013. Retrieved 21 January 2011.
  9. ↑ "ULA Successfully launches Fourth NRO mission in Six months". United Launch Alliance. 11 March 2011. Archived from the original on 7 December 2013. Retrieved 12 March 2011.
  10. ↑ "United Launch Alliance Successfully Delivers Aquarius Mission to Orbit for NASA and the Space Agency of Argentina". United Launch Alliance. 10 June 2011. Archived from the original on 7 December 2013. Retrieved 10 June 2011.
  11. ↑ Clark, Stephen (26 December 2009). "Ocean-watching satellite facing delays in Argentina". Spaceflight Now. Retrieved 6 January 2010.
  12. ↑ "United Launch Alliance Marks the 50th Successful GPS Launch for the Air Force with the Delivery of the GPS IIF-2 Mission to orbit". United Launch Alliance. 16 July 2011. Archived from the original on 7 December 2013. Retrieved 16 July 2011.
  13. ↑ "United Launch Alliance Successfully Launches GRAIL Moon Mission for NASA". United Launch Alliance. 11 September 2011. Archived from the original on 7 December 2013. Retrieved 11 September 2011.
  14. ↑ "United Launch Alliance Delivers 50th Delta II Mission to Orbit for NASA with the Successful Launch of the NPOESS Preparatory Project". United Launch Alliance. 28 October 2011. Archived from the original on 7 December 2013. Retrieved 2 February 2013.
  15. ↑ "United Launch Alliance Delta IV Rocket Successfully Launches US Air Force's Wideband Global SATCOM-4 (WGS-4) Satellite". United Launch Alliance. 19 January 2012. Archived from the original on 7 December 2013. Retrieved 2 February 2013.
  16. ↑ "United Launch Alliance Delta IV Rocket Successfully Launches Payload for the National Reconnaissance Office". United Launch Alliance. 3 April 2012. Archived from the original on 7 December 2013. Retrieved 2 February 2013.
  17. ↑ "United Launch Alliance Upgraded Delta IV Heavy Rocket Successfully Launches Second Payload in Nine Days for the National Reconnaissance Office". United Launch Alliance. 29 June 2012. Archived from the original on 7 December 2013. Retrieved 2 February 2013.
  18. ↑ "United Launch Alliance Delta IV Rocket Successfully Launches Global Positioning System Satellite for the U.S. Air Force". United Launch Alliance. 4 October 2012. Archived from the original on 7 December 2013. Retrieved 4 October 2012.
  19. ↑ "United Launch Alliance Provides Update to Global Positioning System Launch". United Launch Alliance. 5 October 2012. Archived from the original on 7 December 2013. Retrieved 7 October 2012.
  20. ↑ "United Launch Alliance Launches Second Successful Mission for U.S. Air Force in Just Nine Days". United Launch Alliance. 24 May 2013. Archived from the original on 7 December 2013. Retrieved 25 May 2013.
  21. ↑ "United Launch Alliance Successfully Launches Second Wideband Global SATCOM Mission for U.S. Air Force in Less Than Three Months". United Launch Alliance. 8 August 2013. Archived from the original on 7 December 2013. Retrieved 8 August 2013.
  22. ↑ "National Reconnaissance Office Mission Successfully Launches on World's Largest Rocket, the Unite Launch Alliance Delta IV Heavy". United Launch Alliance. 28 August 2013. Archived from the original on 7 December 2013. Retrieved 29 August 2013.
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  30. ↑ "Delta 4 rocket evolving to upgraded main engine". Spaceflight Now. 27 March 2015. Retrieved 28 March 2015.
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  32. ↑ "United Launch Alliance Successfully Launches NROL-45 Payload for the National Reconnaissance Office". United Launch Alliance. 10 February 2016. Archived from the original on 12 January 2018. Retrieved 29 March 2016.
  33. ↑ "United Launch Alliance Successfully Launches NROL-37 Payload for the National Reconnaissance Office". United Launch Alliance. 11 June 2016. Archived from the original on 29 June 2017. Retrieved 12 June 2016.
  34. ↑ "United Launch Alliance Successfully Launches AFSPC6 Mission for the U.S. Air Force". United Launch Alliance. 19 August 2016. Retrieved 19 August 2016.
  35. ↑ "United Launch Alliance Successfully Launches WGS8 Mission for the U.S. Air Force". United Launch Alliance . 7 December 2016. Retrieved 7 December 2016.
  36. ↑ "Delta IV to Launch WGS-9 for the U.S. Air Force". United Launch Alliance . 18 March 2017. Retrieved 18 November 2017.
  37. ↑ "United Launch Alliance successfully launches Delta II rocket carrying JPSS-1 Satellite for NASA and NOAA". United Launch Alliance . 18 November 2017. Retrieved 18 November 2017.
  38. ↑ "New Images from NOAA-20 Show Dramatic Change in Temperatures over North America". NOAA. 18 January 2018. Retrieved 15 October 2018.
  39. ↑ "United Launch Alliance Successfully Launches NROL-47 Mission for the National Reconnaissance Office". United Launch Alliance . 12 January 2018. Archived from the original on 13 January 2018. Retrieved 12 January 2017.
  40. ↑ "Delta IV Heavy NROL-71 successfully launched". Vandenberg Air Force Base . 19 January 2019. Retrieved 19 January 2019.
  41. ↑ "United Launch Alliance Successfully Launches WGS-10 Mission". United Launch Alliance . 16 March 2019. Retrieved 16 March 2019.
  42. 1 2 "United Launch Alliance Successfully Launches GPS III Satellite for U.S. Air Force Space and Missile Systems Center". United Launch Alliance . 22 August 2019. Retrieved 22 August 2019.
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