List of Delta IV Medium launches
# List of Delta IV Medium launches

Since November 2002, rockets from the Delta 4 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.

## About the Delta 4 Medium

The Delta 4 Medium (also referred to as 'single stick') was available in four configurations: Medium, Medium+ (4,2), Medium+ (5,2), and Medium+ (5,4).

The Delta 4 Medium (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 4 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.

The Delta 4 Medium+ (4,2) (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.

The Delta 4 Medium+ (5,2) (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.

The Delta 4 Medium+ (5,4) (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.

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 4 Medium variants.

## Launch Statistics

### Rocket configurations

* Delta 4 M+ (4,2)
* Delta 4 -M
* Delta 4 M+ (5,4)
* Delta 4 M+ (5,2)

### Launch Outcomes

* Success
* Failure

### Launch sites

* CCAFS SLC-37B
* VAFB SLC-6

### Orbits

* GTO
* Molniya
* SSO
* MEO
* GEO

### Customers

* Eutelsat
* US Air force
* NASA
* NOAA
* US NRO
* DoD
* AFRL

## 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-M+ (4,2) | CCAFS SLC-37B | Eutelsat W5 | 3,086 pounds (1,400 kilograms) | GTO | Eutelsat | Success |
| First Delta IV launch, Commercial communications satellite ||||||||
| 2 | March 11, 2003 00:59 | Delta IV-M | CCAFS SLC-37B | USA-167 (DSCS-3 A3) | Classified | GTO | US Air Force | Success |
| Military communications satellite, First Delta 4 Medium launch, First USAF EELV mission ||||||||
| 3 | August 29, 2003 23:13 | Delta IV-M | CCAFS SLC-37B | USA-170 (DSCS-3 B6) | Classified | GTO | US Air Force | Success |
| Military communications satellite ||||||||
| 4 | May 24, 2006 22:11 | Delta IV-M+ (4,2) | CCAFS SLC-37B | GOES-N (GOES-13) | 6,908 pounds (3,133 kilograms) | GTO | NASA/NOAA | Success |
| First Delta IV launch for NASA, Weather satellite ||||||||
| 5 | June 28, 2006 03:33 | Delta IV-M+ (4,2) | VAFB SLC-6 | NROL-22 | Classified | Molniya | US NRO | Success |
| First Delta IV launch from Vandenberg, Reconnaissance satellite ||||||||
| 6 | November 4, 2006 13:53 | Delta IV-M | VAFB SLC-6 | DMSP F17 | Classified | SSO | DoD | Success |
| First Delta IV launch into a LEO/SSO, Military weather satellite ||||||||
| 7 | June 27, 2009 22:51 | Delta IV-M+ (4,2) | CCAFS SLC-37B | GOES-O (GOES-14) | 6,908 pounds (3,133 kilograms) | GTO | NASA/NOAA | Success |
| Weather satellite ||||||||
| 8 | December 6, 2009 01:47 | Delta IV-M+ (5,4) | CCAFS SLC-37B | USA-211 (WGS-3) | 13,199 pounds (5,987 kilograms) | GTO | US Air Force | Success |
| First Delta 4 Medium+ (5,4) launch, Communication satellite ||||||||
| 9 | 4 March 2010 23:57 | Delta IV M+ (4,2) | CCAFS SLC-37B | GOES-P (GOES-15) | 7,139 pounds (3,238 kilograms) | GTO | NASA | Success |
| 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 M+ (4,2) | CCAFS SLC-37B | USA-213 (GPS IIF SV-1) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success |
| Navigation satellite ||||||||
| 11 | 11 March 2011 23:38 | Delta IV M+ (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 M+ (4,2) | CCAFS SLC-37B | USA-232 (GPS IIF-2) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success |
| Navigation satellite ||||||||
| 13 | 20 January 2012 00:38 | Delta IV M+ (5,4) | CCAFS SLC-37B | USA-233 (WGS-4) | 13,199 pounds (5,987 kilogarms) | GTO | US Air Force | Success |
| Military comsat ||||||||
| 14 | 3 April 2012 23:12 | Delta IV M+ (5,2) | VAFB SLC-6 | USA-234 (NROL-25) | Classified | LEO | US NRO | Success |
| First Delta 4 Medium+ (5,2) launch, Reconnaissance satellite ||||||||
| 15 | 4 October 2012 12:10 | Delta IV M+ (4,2) | CCAFS SLC-37B | USA-239 (GPS IIF-3) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success |
| Upper stage anomaly, Satellite navigation ||||||||
| 16 | 25 May 2013 00:27 | Delta IV M+ (5,4) | CCAFS SLC-37B | USA-243 (WGS-5) | 13,199 pounds (5,987 kilogarms) | GTO | US Air Force | Success |
| Military comsat ||||||||
| 17 | 8 August 2013 00:29 | Delta IV M+ (5,4) | CCAFS, SLC-37B | USA-244 (WGS-6) | 13,199 pounds (5,987 kilogarms) | GTO | US Air Force | Success |
| Military comsat ||||||||
| 18 | 21 February 2014 01:59 | Delta IV M+ (4,2) | CCAFS SLC-37B | USA-248 (GPS IIF-5) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success |
| 25th Delta IV launch, Satellite navigation ||||||||
| 19 | 17 May 2014 00:03 | Delta IV M+ (4,2) | CCAFS SLC-37B | USA-251 (GPS IIF-6) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success |
| Navigation satellite ||||||||
| 20 | 28 July 2014 23:28 | Delta IV M+ (4,2) | CCAFS SLC-37B | USA 253-255 (AFSPC-4 (GSSAP #1/#2/ANGELS)) | Classified | GEO | DoD/AFRL | Success |
| Space surveillance / Technology demonstration ||||||||
| 21 | 25 March 2015 18:36 | Delta IV M+ (4,2) | CCAFS SLC-37B | USA-260 (GPS IIF-9) | 3,594 pounds (1,630 kilograms) | MEO | US Air Force | Success |
| Final launch of baseline RS-68 engine, Navigation satellite ||||||||
| 22 | 24 July 2015 00:07 | Delta IV M+ (5,4) | CCAFS SLC-37B | USA-263 (WGS-7) | 13,199 pounds (5,987 kilogarms) | GTO | DoD | Success |
| Second flight with an RS-68A engine; New standard for Delta IV rockets, Military comsat ||||||||
| 23 | 10 February 2016, 11:40 | Delta IV M+ (5,2) | VAFB SLC-6 | USA-267 (NROL-45) | Classified | LEO | US NRO | Success |
| Reconnaissance satellite ||||||||
| 24 | 19 August 2016 04:52 | Delta IV M+ (4,2) | CCAFS SLC-37B | USA-270/271 (AFSPC-6 (GSSAP #3/#4)) | Classified | GEO | DoD | Success |
| Space surveillance satellite ||||||||
| 25 | 7 December 2016 23:53 | Delta IV M+ (5,4) | CCAFS SLC-37B | USA-272 (WGS-8) | 13,199 pounds (5,987 kilogarms) | GTO | DoD | Success |
| Military comsat ||||||||
| 26 | 19 March 2017 00:18 | Delta IV M+ (5,4) | CCAFS SLC-37B | USA-275 (WGS-9) | 13,199 pounds (5,987 kilogarms) | GTO | DoD | Success |
| Military comsat ||||||||
| 27 | 12 January 2018 22:11 | Delta IV M+ (5,2) | VAFB SLC-6 | USA-281 (NROL-47) | Classified | LEO | US NRO | Success |
| Final flight of Delta IV M+(5,2) variant. Reconnaissance satellite. ||||||||
| 28 | 16 March 2019 00:26 | Delta IV M+ (5,4) | CCAFS, SLC-37B | USA-291 (WGS-10) | 13,199 pounds (5,987 kilogarms) | GTO | DoD | Success |
| Final flight of Delta IV M+(5,4) variant. Military comsat. ||||||||
| 29 | 22 August 2019 13:06 | Delta IV M+ (4,2) | CCAFS, SLC-37B | USA-293 (GPS III-2) | 8,168 pounds (3,705 kilograms) | MEO | US Air Force | Success |
| Final flight of Delta IV M+(4,2) variant. 3rd generation Global Positioning Satellite (GPS) ||||||||
