List of Delta IV Medium launches
Since November 2002, rockets from the Delta IV Medium family have been launched 29 times, all of which were successful. Its last flight was with a 3rd generation GPS satellite in August 2019.
Delta IV Medium configurations
The Delta IV Medium (also referred to as 'single stick'[1][2]) was available in four configurations: Medium, Medium+ (4,2), Medium+ (5,2), and Medium+ (5,4).[3]
- Delta IV Medium, coded Delta 9040, was the most basic Delta IV. It featured a single CBC and a modified Delta 3 second stage, with 4-meter liquid hydrogen and liquid oxygen tanks (called a Delta Cryogenic Second Stage (DCSS)) and a 4-meter payload fairing. The Delta IV Medium was capable of launching 4,200 kg to geostationary transfer orbit (GTO). From Cape Canaveral, GTO is 1804 m/s away from GEO. The mass of fairing and payload attach fittings have been subtracted from the gross performance.[4]
- Delta IV Medium+ (4,2), coded Delta 9240, had the same CBC and DCSS as the Medium, but with the addition of two Orbital ATK-built 1.5-m (60-in) diameter solid rocket booster Graphite-Epoxy Motors (GEM-60s) strap-on boosters to increase payload capacity to 6,150 kg to GTO.[4]
- Delta IV Medium+ (5,2), coded Delta 9250, was similar to the Medium+ (4,2), but had a 5-m–diameter DCSS and payload fairing for larger payloads. Because of the extra weight of the larger payload fairing and second stage, the Medium+ (5,2) could launch 5,072 kg to GTO.[4]
- Delta IV Medium+ (5,4), coded Delta 9450, was similar to the Medium+ (5,2), but used four GEM-60s instead of two, enabling it to lift 6,882 kg to GTO.[4]
To encapsulate the satellite payload, a variety of different payload fairings were available. A stretched Delta III 4-meter diameter composite payload fairing was used on 4-meter Medium versions, while an enlarged, 5-meter diameter composite fairing was used on 5-meter Medium versions.
The Medium (4,2) version last flew on 22 August 2019, marking the retirement of the Delta IV Medium variants.[3][5]
Launch Statistics
Rocket configurations
- Medium
- Medium+ (4,2)
- Medium+ (5,2)
- Medium+ (5,4)
Launch outcomes
Launch sites
Orbits
Customers
Launch History
Flight | Date / time (UTC) | Rocket Configuration | Launch site | Payload | Payload mass | Orbit | Customer | Launch outcome |
---|---|---|---|---|---|---|---|---|
1 | November 20, 2002 22:39 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | Eutelsat W5 | 3,086 pounds (1,400 kilograms) | GTO | Eutelsat | Success[6] |
First Delta IV launch, Commercial communications satellite | ||||||||
2 | March 11, 2003 00:59 | Delta IV Medium | CCAFS SLC-37B | USA-167 (DSCS-3 A3) | Classified | GTO | US Air Force | Success[7] |
Military communications satellite, First Delta IV Medium launch, First USAF EELV mission | ||||||||
3 | August 29, 2003 23:13 | Delta IV Medium | CCAFS SLC-37B | USA-170 (DSCS-3 B6) | Classified | GTO | US Air Force | Success[8] |
Military communications satellite | ||||||||
4 | May 24, 2006 22:11 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | GOES-N (GOES-13) | 6,908 pounds (3,133 kilograms) | GTO | NASA/NOAA | Success[9] |
First Delta IV launch for NASA, Weather satellite | ||||||||
5 | June 28, 2006 03:33 | Delta IV Medium+ (4,2) | VAFB SLC-6 | NROL-22 | Classified | Molniya | US NRO | Success[10] |
First Delta IV launch from Vandenberg, Reconnaissance satellite | ||||||||
6 | November 4, 2006 13:53 | Delta IV Medium | VAFB SLC-6 | DMSP F17 | Classified | SSO | DoD | Success[11] |
First Delta IV launch into a LEO/SSO, Military weather satellite | ||||||||
7 | June 27, 2009 22:51 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | GOES-O (GOES-14) | 6,908 pounds (3,133 kilograms) | GTO | NASA/NOAA | Success[12] |
Weather satellite | ||||||||
8 | December 6, 2009 01:47 | Delta IV Medium+ (5,4) | CCAFS SLC-37B | USA-211 (WGS-3) | 13,199 pounds (5,987 kilograms) | GTO | US Air Force | Success[13] |
First Delta IV Medium+ (5,4) launch, Communication satellite | ||||||||
9 | 4 March 2010 23:57 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | GOES-P (GOES-15) | 7,139 pounds (3,238 kilograms) | GTO | NASA | Success[14] |
NOAA Weather satellite in the Geostationary Operational Environmental Satellite (GOES) program. Replaced GOES-11 as the GOES West satellite. | ||||||||
10 | 28 May 2010 03:00 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA-213 (GPS IIF SV-1) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success[15] |
Navigation satellite | ||||||||
11 | 11 March 2011 23:38 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA-227 (NROL-27) | 5,148 pounds (2335 kilogarms) | GTO | US NRO | Success |
Military comsat. | ||||||||
12 | 16 July 2011 06:41 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA-232 (GPS IIF-2) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success[16] |
Navigation satellite | ||||||||
13 | 20 January 2012 00:38 | Delta IV Medium+ (5,4) | CCAFS SLC-37B | USA-233 (WGS-4) | 13,199 pounds (5,987 kilogarms) | GTO | US Air Force | Success[17] |
Military comsat | ||||||||
14 | 3 April 2012 23:12 | Delta IV Medium+ (5,2) | VAFB SLC-6 | USA-234 (NROL-25) | Classified | LEO | US NRO | Success[18] |
First Delta IV Medium+ (5,2) launch, Reconnaissance satellite | ||||||||
15 | 4 October 2012 12:10 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA-239 (GPS IIF-3) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success[19] |
Upper stage anomaly,[20] Satellite navigation | ||||||||
16 | 25 May 2013 00:27 | Delta IV Medium+ (5,4) | CCAFS SLC-37B | USA-243 (WGS-5) | 13,199 pounds (5,987 kilogarms) | GTO | US Air Force | Success[21] |
Military comsat | ||||||||
17 | 8 August 2013 00:29 | Delta IV Medium+ (5,4) | CCAFS, SLC-37B | USA-244 (WGS-6) | 13,199 pounds (5,987 kilogarms) | GTO | US Air Force | Success[22] |
Military comsat | ||||||||
18 | 21 February 2014 01:59 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA-248 (GPS IIF-5) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success[23] |
25th Delta IV launch, Satellite navigation | ||||||||
19 | 17 May 2014 00:03 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA-251 (GPS IIF-6) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success[24] |
Navigation satellite | ||||||||
20 | 28 July 2014 23:28 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA 253-255 (AFSPC-4 (GSSAP #1/#2/ANGELS)) | Classified | GEO | DoD/AFRL | Success[25] |
Space surveillance / Technology demonstration | ||||||||
21 | 25 March 2015 18:36 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA-260 (GPS IIF-9) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success[26] |
Final launch of baseline RS-68 engine,[27] Navigation satellite | ||||||||
22 | 24 July 2015 00:07 | Delta IV Medium+ (5,4) | CCAFS SLC-37B | USA-263 (WGS-7) | 13,199 pounds (5,987 kilogarms) | GTO | DoD | Success[28] |
Second flight with an RS-68A engine; New standard for Delta IV rockets, Military comsat | ||||||||
23 | 10 February 2016, 11:40 | Delta IV Medium+ (5,2) | VAFB SLC-6 | USA-267 (NROL-45) | Classified | LEO | US NRO | Success[29] |
Reconnaissance satellite | ||||||||
24 | 19 August 2016 04:52 | Delta IV Medium+ (4,2) | CCAFS SLC-37B | USA-270/271 (AFSPC-6 (GSSAP #3/#4)) | Classified | GEO | DoD | Success[30] |
Space surveillance satellite | ||||||||
25 | 7 December 2016 23:53 | Delta IV Medium+ (5,4) | CCAFS SLC-37B | USA-272 (WGS-8) | 13,199 pounds (5,987 kilogarms) | GTO | DoD | Success[31] |
Military comsat | ||||||||
26 | 19 March 2017 00:18 | Delta IV Medium+ (5,4) | CCAFS SLC-37B | USA-275 (WGS-9) | 13,199 pounds (5,987 kilogarms) | GTO | DoD | Success[32] |
Military comsat | ||||||||
27 | 12 January 2018 22:11 | Delta IV Medium+ (5,2) | VAFB SLC-6 | USA-281 (NROL-47) | Classified | LEO | US NRO | Success[33] |
Final flight of Delta IV M+(5,2) variant. Reconnaissance satellite. | ||||||||
28 | 16 March 2019 00:26 | Delta IV Medium+ (5,4) | CCAFS, SLC-37B | USA-291 (WGS-10) | 13,199 pounds (5,987 kilogarms) | GTO | DoD | Success[34] |
Final flight of Delta IV M+(5,4) variant. Military comsat. | ||||||||
29 | 22 August 2019 13:06 | Delta IV Medium+ (4,2) | CCAFS, SLC-37B | USA-293 (GPS III-2) | 8,168 pounds (3,705 kilograms) | MEO | US Air Force | Success[35] |
Final flight of Delta IV M+(4,2) variant. 3rd generation Global Positioning Satellite (GPS) |
See also
- List of Delta IV launches
- List of Delta IV Heavy launches
- List of Thor and Delta launches
- List of Thor and Delta launches (2000-2009)
- List of Thor and Delta launches (2010-2019)
- Delta (rocket family)
- Delta IV Medium
- Delta IV Heavy
- Delta IV
References
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- ^ Ray, Justin. "Air Force assigns new Delta 4 rocket launch – Spaceflight Now". Retrieved 2020-11-01.
- ^ a b Gebhardt, Chris (2019-08-22). "Delta IV Medium's well-earned retirement with GPS finale". NASASpaceFlight.com. Retrieved 2020-08-15.
- ^ a b c d "Delta IV Launch Services User's Guide" (PDF). United Launch Alliance. June 2013. pp. 2–10, 5–3. Archived from the original (PDF) on 2014-07-10. Retrieved 2014-07-09.
- ^ Berger, Eric (2019-08-22). "The last single-stick Delta rocket launched Thursday, and it put on a show". Ars Technica. Retrieved 2020-08-06.
- ^ "Boeing's Delta 4 rocket debuts successfully". Spaceflight Now. November 20, 2002.
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- ^ "New era of rocket launches begins at California base". Spaceflight Now. June 27, 2006.
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- ^ "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.
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