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USRM

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AKA: Titan USRM;Upgraded Solid Rocket Motor. Status: First flight 1997. Number: 34 . Thrust: 7,560.50 kN (1,699,668 lbf). Gross mass: 357,239 kg (787,577 lb). Unfuelled mass: 52,040 kg (114,720 lb). Specific impulse: 286 s. Specific impulse sea level: 259 s. Burn time: 140 s. Height: 33.54 m (110.03 ft). Diameter: 3.20 m (10.40 ft).

Thrust (sl): 6,846.800 kN (1,539,222 lbf). Thrust (sl): 698,191 kgf. Propellant Formulation: HTPB.