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Model: Titan 1-2. Gross Mass: 28,939 kg (63,799 lb). Empty Mass: 1,725 kg (3,802 lb). Thrust (vac): 355.863 kN (80,001 lbf). Isp: 308 sec. Burn time: 225 sec. Propellants: Lox/Kerosene. Isp(sl): 210 sec. Diameter: 2.26 m (7.41 ft). Span: 2.26 m (7.41 ft). Length: 9.80 m (32.10 ft). Country: USA. No Engines: 1. Motor: LR91-3. Status: Study 1958. Cost $ : 4.000 million. First Flight: 1955. Last Flight: 1965. No Launched: 93.

Model: Titan 2-2. Gross Mass: 28,939 kg (63,799 lb). Empty Mass: 2,404 kg (5,299 lb). Thrust (vac): 444.819 kN (99,999 lbf). Isp: 316 sec. Burn time: 180 sec. Propellants: N2O4/Aerozine-50. Isp(sl): 160 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 7.86 m (25.78 ft). Country: USA. No Engines: 1. Motor: LR91-7. Status: Study 1961. Cost $ : 4.640 million. First Flight: 1958. Last Flight: 2003. No Launched: 302.

Model: Titan 3A-2. Gross Mass: 29,188 kg (64,348 lb). Empty Mass: 2,653 kg (5,848 lb). Thrust (vac): 453.714 kN (101,999 lbf). Isp: 316 sec. Burn time: 205 sec. Propellants: N2O4/Aerozine-50. Isp(sl): 145 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 7.90 m (25.90 ft). Country: USA. No Engines: 1. Motor: LR91-11. Status: Study 1965. Cost $ : 4.640 million. First Flight: 1959. Last Flight: 1989. No Launched: 244. No Failed: 1.

Model: Titan 3B-2. Gross Mass: 37,560 kg (82,800 lb). Empty Mass: 2,900 kg (6,300 lb). Thrust (vac): 460.314 kN (103,483 lbf). Isp: 316 sec. Burn time: 230 sec. Propellants: N2O4/Aerozine-50. Isp(sl): 145 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 8.60 m (28.20 ft). Country: USA. No Engines: 1. Motor: LR91-11. Status: Study 1965. Cost $ : 4.640 million. First Flight: 1960. Last Flight: 1992. No Launched: 51. No Failed: 2.

Model: Titan 4-2. Gross Mass: 39,500 kg (87,000 lb). Empty Mass: 4,500 kg (9,900 lb). Thrust (vac): 459.510 kN (103,302 lbf). Isp: 316 sec. Burn time: 223 sec. Propellants: N2O4/Aerozine-50. Isp(sl): 160 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 9.94 m (32.61 ft). Country: USA. No Engines: 1. Motor: LR91-11. Status: Retired 2005. Cost $ : 4.640 million. First Flight: 1989. Last Flight: 2005. No Launched: 57. No Failed: 1.

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