Titan IVB
CHARACTERISTICS
| Stage 0 (Solid Rocket Motor Upgrade) | Length | 112.4 feet |
| Diameter | 10.5 feet | |
| Motor Thrust | 1.7 million lb. per motor | Weight | 777,000 pounds | Contractor | Alliant Techsystems |
| First Stage | Length | 86.5 feet |
| Diameter | 10 feet | |
| Thrust | 551,200 lbs. (full duration average) | |
| Contractor | Lockheed Martin Astronautics | |
| Second Stage | Length | 32.7 feet (bottom of engine nozzle to top of forward skirt) |
| Diameter | 10 feet | |
| Thrust | 106,150 lbs. (full duration average) | |
| Contractor | Lockheed Martin Astronautics | |
| Centaur Upper Stage | Length | 29.4 feet |
| Diameter | 170 inches | |
| Thrust | 33,000 lbs. | |
| Contractor | Lockheed Martin Astronautics | |
| Inertial Upper Stage | Length | 17 feet |
| Diameter | 114 inches | |
| Thrust | 41,700 lbs./17,200 lbs. (average thrust) | |
| Contractor | Boeing Defense and Space Group |
