Delta IV Heavy
Delta IV Heavy is a 2-stage Delta rocket built by United Launch Alliance.

Specifications
- Height
- 72 m
- Diameter
- 5 m
- Mass
- 733000 kg
- Stages
- 2
- Thrust
- 8674 kN
- LEO payload
- 28370 kg
- First flight
- Dec 21, 2004
Manufacturer & operator
- Family
- Delta
- Variant
- Heavy
- Manufacturer
- United Launch Alliance
- Operator
- โ
- Country
- United States of America
Launch sites
- Cape Canaveral SFS, FL, USA (11 launches)
- Vandenberg SFB, CA, USA (5 launches)
Launch history
16 launches to date.
SUCCESSDelta IV Heavy | NROL-70
SUCCESSDelta IV Heavy | NROL-68
SUCCESSDelta IV Heavy | NROL-91
SUCCESSDelta IV Heavy | NROL-82
SUCCESSDelta IV Heavy | NROL-44
SUCCESSDelta IV Heavy | NROL-71
SUCCESSDelta IV Heavy | Parker Solar Probe
SUCCESSDelta IV Heavy | NROL-37
SUCCESSDelta IV Heavy | EFT-1
SUCCESS