Titan III

Country of Origin: United States
Manufacturer: Martin Marietta

Height: 36 – 48 m
Diameter: 3.05 m core
Payload to LEO: 3.0 to 15.4 tons
Total Mass: 156.54 tons to 632.97 tons

Launch Sites: Vandenberg, Cape Canaveral
First Flight: September 1, 1964
Last Flight: September 4, 1989
Total Launches: 152
Successful Launches: 136

Titan IIIA – 3100 kg to LEO

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)
1	3.05 m	Aerozine 50 / N2O4	LR87-11	147 s	2 x 1170 kN	264 s / 302 s
2	3.05 m	Aerozine 50 / N2O4	LR91-11	205 s	454 kN	? / 316 s
3 (Transtage)		Aerozine 50 / N2O4	2 x AJ10-138	440 s	71.2 kN	? / 311 s

Titan IIIB – 3000 kg to LEO

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)	Mass / Empty Mass
1	3.05 m	Aerozine 50 / N2O4	LR87-11	147 s	2 x 1170 kN	264 s / 302 s	117.02 tons / 4.76 tons
2	3.05 m	Aerozine 50 / N2O4	LR91-11	205 s	454 kN	? / 316 s	29.03 tons / 2.76 tons
3 (Agena)		UDMH / N2O4	Bell XLR81-BA-9	240 s	71.1 kN	? / 293 s	7.16 tons / 1.045 tons

Titan IIIC – 13100 kg to LEO

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)	Mass / Empty Mass
Boosters	3.05 m	Solid	2 x UA1205	115 s	2 x 5850 kN	? / 263 s	226.2 tons / 33.8 tons
1	3.05 m	Aerozine 50 / N2O4	LR87-11	147 s	2 x 1170 kN	264 s / 302 s	116.57 tons / 5.44 tons
2	3.05 m	Aerozine 50 / N2O4	LR91-11	205 s	454 kN	? / 316 s	29.19 tons / 2.65 tons
3 (Transtage)		Aerozine 50 / N2O4	2 x AJ-10-138	440 s	71.1 kN	? / 311 s	12.25 tons / 1.95 tons

Titan IIID – 12300 kg to LEO

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)	Mass / Empty Mass
Boosters	3.05 m	Solid	2 x UA1205	115 s	2 x 5850 kN	? / 263 s	226.2 tons / 33.8 tons
1	3.05 m	Aerozine 50 / N2O4	LR87-11	147 s	2 x 1170 kN	264 s / 302 s	116.57 tons / 5.44 tons
2	3.05 m	Aerozine 50 / N2O4	LR91-11	205 s	454 kN	? / 316 s	29.19 tons / 2.65 tons

Titan IIIE – 15400 to LEO

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)	Mass / Empty Mass
Boosters	3.05 m	Solid	2 x UA1205	115 s	2 x 5850 kN	? / 263 s	226.2 tons / 33.8 tons
1	3.05 m	Aerozine 50 / N2O4	LR87-11	147 s	2 x 1170 kN	264 s / 302 s	116.57 tons / 5.44 tons
2	3.05 m	Aerozine 50 / N2O4	LR91-11	205 s	454 kN	? / 316 s	29.19 tons / 2.65 tons
3 (Centaur-D)		LH2 / LOX	2 x RL-10A-3	470 s	131 kN	? / 444 s	23.29 tons / 2.46 tons
4 (opt.)		Solid	Star-37E	42 s	68 kN	? / 283.6 s	1122.7 kg / 83.1 kg

Titan 34D

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)	Mass / Empty Mass
Boosters	3.05 m	Solid	2 x UA1206	114 s	2 x 6227 kN	? / 265 s	251.43 tons / 40.83 tons
1	3.05 m	Aerozine 50 / N2O4	LR87-11	161 s	2 x 1206.6 kN	264 s / 302 s	116.57 tons / 5.44 tons
2	3.05 m	Aerozine 50 / N2O4	LR91-11	230 s	460.314 kN	? / 316 s	37.56 tons / 2.9 tons