List of Delta IV Heavy launches

The Delta IV Heavy (Delta 9250H) was an expendable heavy-lift launch vehicle. When it was in service from 2004 to 2024, it was the largest type in the Delta IV family and was the world's second highest-capacity rocket in operation, behind SpaceX's Falcon Heavy rocket and closely followed by CNSA's Long March 5 rocket.^[1][2] It was manufactured by United Launch Alliance and was first launched in December 2004 and was retired after its last flight on 9th April 2024.^[3]

Delta IV Heavy for Exploration Flight Test-1

Launch statistics

1

2004

2010

2015

2020

•   Partial Failure
•   Success

Launch history

Flight	Date	Payload [4]	Mass	Launch site	Outcome [4]
1	21 December 2004	DemoSat, Sparkie / 3CS-1 and Ralphie / 3CS-2	≈6,000 kg (13,000 lb)	Cape Canaveral, SLC-37B	Partial failure[a]
2	11 November 2007	DSP-23	5,250 kg (11,570 lb)	Cape Canaveral, SLC-37B	Success
3	18 January 2009	Orion 6 / Mentor 4 (USA-202 / NROL-26)	Classified	Cape Canaveral, SLC-37B	Success
4	21 November 2010	Orion 7 / Mentor 5 (USA-223 / NROL-32)	Classified	Cape Canaveral, SLC-37B	Success
5	20 January 2011	KH-11 Kennen 15 (USA-224 / NROL-49)	<17,000 kg (37,000 lb)	Vandenberg, SLC-6	Success
6	29 June 2012	Orion 8 / Mentor 6 (USA-237 / NROL-15)	Classified	Cape Canaveral, SLC-37B	Success
7	26 August 2013	KH-11 Kennen 16 (USA-245 / NROL-65)	<17,000 kg (37,000 lb)	Vandenberg, SLC-6	Success
8	5 December 2014	Orion Exploration Flight Test-1 (EFT-1)	21,000 kg (46,000 lb)[5][b]	Cape Canaveral, SLC-37B	Success
9	11 June 2016	Orion 9 / Mentor 7 (USA-268 / NROL-37)	Classified	Cape Canaveral, SLC-37B	Success
10	12 August 2018	Parker Solar Probe[c]	685 kg (1,510 lb)	Cape Canaveral, SLC-37B	Success
11	19 January 2019	NROL-71	Classified	Vandenberg, SLC-6	Success
12	11 December 2020	Orion 10 / Mentor 8 (USA-268/ NROL-44)[6][7]	Classified	Cape Canaveral, SLC-37B	Success
13	26 April 2021	KH-11 Kennen 17 (NROL-82)	Classified	Vandenberg, SLC-6	Success
14	24 September 2022	KH-11 Kennen 18 (NROL-91)	Classified	Vandenberg, SLC-6	Success
15	22 June 2023	Orion 11 / Mentor 9 (NROL-68)[8]	Classified	Cape Canaveral, SLC-37B	Success
16	9 April 2024	Orion 12 / Mentor 10 (NROL-70)[9]	Classified	CCSFS, SLC-37B	Success

Notes

1. Common Booster Cores underperformed, lower orbit than planned
2. The officially reported mass of 21,000 kg includes the Launch Abort System (LAS) which did not reach orbit, but excludes the residual mass of the upper stage, which did reach orbit.
3. Star 48BV upper stage