Living Person
Delta_IV_Heavy
is
As of April 20, 2026
2 years old
0 months!
Days Until Birthday
353 days
Days Since Birth
741 days
elapsed
Date of Birth
(April 9born, 2024 ) is
Tue
Day
Dragon
Year
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
Cosmic Age Calculator
Moon
27.1 years old
Mercury
8.4 years old
Venus
3.3 years old
Mars
1.1 years old
Jupiter
0.2 years old
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 | |
.jpg) Delta IV Heavy launches from Vandenberg Space Force Base | |
| Function | Heavy-lift launch vehicle |
|---|---|
| Manufacturer | United Launch Alliance |
| Country of origin | United States |
| Cost per launch | US$350 million NRO: US$440 million |
| Size | |
| Height | 70.7 m (232 ft) |
| Diameter | 5.1 m (17 ft) |
| Width | 15.3 m (50 ft) |
| Mass | 733,000 kg (1,616,000 lb) |
| Associated rockets | |
| Family | Delta |
| Comparable | |
| Launch history | |
| Status | Retired |
| Launch sites | |
| Total launches | 16 |
| Success(es) | 15 |
| Partial failure | 1 |
| First flight | December 21, 2004 (USA-181) |
| Last flight | April 9, 2024 (NROL-70) |
| Carries passengers or cargo | |
| Boosters – CBC | |
| No. boosters | 2 |
| Height | 40.8 m (134 ft) |
| Empty mass | 26,760 kg (59,000 lb) |
| Gross mass | 226,400 kg (499,100 lb) |
| Propellant mass | 200,400 kg (441,800 lb) |
| Powered by | 1 × RS-68 |
| Maximum thrust | 3,140 kN (710,000 lbf) |
| Total thrust | 6,280 kN (1,410,000 lbf) |
| Specific impulse | SL: 360 s (3.5 km/s) vac: 412 s (4.04 km/s) |
| Burn time | 246 seconds |
| Propellant | LH2 / LOX |
| First stage – CBC | |
| Height | 40.8 m (134 ft) |
| Empty mass | 26,760 kg (59,000 lb) |
| Gross mass | 226,400 kg (499,100 lb) |
| Propellant mass | 200,400 kg (441,800 lb) |
| Powered by | 1 × RS-68 |
| Maximum thrust | 3,140 kN (710,000 lbf) |
| Specific impulse | SL: 360 s (3.5 km/s) vac: 412 s (4.04 km/s) |
| Burn time | 334 seconds |
| Propellant | LH2 / LOX |
| Second stage – DCSS | |
| Height | 13.7 m (45 ft) |
| Empty mass | 3,490 kg (7,690 lb) |
| Gross mass | 30,710 kg (67,700 lb) |
| Propellant mass | 27,220 kg (60,010 lb) |
| Powered by | 1 × RL10-B-2 |
| Maximum thrust | 110 kN (25,000 lbf) |
| Specific impulse | 465.5 s (4.565 km/s) |
| Burn time | 1,125 seconds |
| Propellant | LH2 / LOX |
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