Delta IV Heavy
Delta family
· built by United Launch Alliance
· maiden flight 2004-12-21
Profile data last updated: 2026-08-15T20:08:04.839063+00:00 | 7531-09-01
The Delta IV Heavy (Delta 9250H) is an expendable heavy-lift launch vehicle, the largest type of the Delta IV family, and is the world's second highest-capacity rocket in operation. It is manufactured by United Launch Alliance and was first launched in 2004.
Specifications
72.0 mLength
5.0 mDiameter
733 tLaunch mass
2Stages
8674 kNLiftoff thrust
Payload Capacity
28370 kgTo LEO
14210 kgTo GTO
Lifetime Launch Record
As reported by Launch Library 2 across this rocket's entire history, not just the launches tracked on this site.
16Total launches
15Successful
1Failed
0Upcoming
Launches Tracked on This Site
16In our archive
93.8%Success rate
Dec 21, 2004 21:50 UTCEarliest tracked
Apr 09, 2024 16:53 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Delta IV Heavy | NROL-70 | Apr 09, 2024 16:53 UTC | Success |
| Delta IV Heavy | NROL-68 | Jun 22, 2023 09:18 UTC | Success |
| Delta IV Heavy | NROL-91 | Sep 24, 2022 22:25 UTC | Success |
| Delta IV Heavy | NROL-82 | Apr 26, 2021 20:47 UTC | Success |
| Delta IV Heavy | NROL-44 | Dec 11, 2020 01:09 UTC | Success |
| Delta IV Heavy | NROL-71 | Jan 19, 2019 19:10 UTC | Success |
| Delta IV Heavy | Parker Solar Probe | Aug 12, 2018 07:31 UTC | Success |
| Delta IV Heavy | NROL-37 | Jun 11, 2016 17:51 UTC | Success |
| Delta IV Heavy | EFT-1 | Dec 05, 2014 12:05 UTC | Success |
| Delta IV Heavy | NROL-65 (USA-245 / KH-11) | Aug 28, 2013 18:03 UTC | Success |
| Delta IV Heavy | NROL-15 (Mentor) (USA-237) | Jun 29, 2012 13:15 UTC | Success |
| Delta IV Heavy | NROL-49 (KH-11) (USA-224) | Jan 20, 2011 21:10 UTC | Success |
| Delta IV Heavy | NROL-32 (Mentor) (USA-223) | Nov 21, 2010 22:58 UTC | Success |
| Delta IV Heavy | NROL-26 (USA-202) | Jan 18, 2009 02:47 UTC | Success |
| Delta IV Heavy | DSP-23 | Nov 11, 2007 01:50 UTC | Success |