Titan 401 - Titan 401 - COSPAR 1994-026 14,308 bytes. 116 x 427 pixels.

Developed to handle military payloads designed for launch on Shuttle from Vandenberg before the USAF pulled out of the Shuttle program after the Challenger disaster. Further stretch of core from Titan 34, 7-segment solid rocket motors (developed for MOL but not used until 25 years later). Enlarged Centaur G used as upper stage (variant of stage designed for Shuttle but prohibited for flight safety reasons after Challenger). Completely revised electronics. All the changes resulted in major increase in cost of launch vehicle and launch operations.

Launches: 22. Failures: 2. Success Rate: 90.91% pct. First Launch Date: 14 June 1989. Last Launch Date: 12 August 1998. LEO Payload: 17,700 kg. to: 185 km Orbit. Payload: 6,350 kg. to a: Geosynchronous transfer trajectory. Liftoff Thrust: 1,307,380 kgf. Total Mass: 886,420 kg. Core Diameter: 4.3 m. Total Length: 51.0 m. Launch Price $: 400.00 million. in 1997 price dollars. Flyaway Unit Cost $: 89.36 million. in 1985 unit dollars. Cost comments: Titan IV development contract was $ 15.8 billion, including 40 launch vehicles and 39 launches.

• Stage Number: 0. 2 x Titan UA1207 Gross Mass: 319,330 kg. Empty Mass: 51,230 kg. Thrust (vac): 725,732 kgf. Isp: 272 sec. Burn time: 120 sec. Isp(sl): 245 sec. Diameter: 3.1 m. Span: 3.1 m. Length: 34.1 m. Propellants: Solid No Engines: 1. UA1207

• Stage Number: 1. 1 x Titan 4-1 Gross Mass: 163,000 kg. Empty Mass: 8,000 kg. Thrust (vac): 247,619 kgf. Isp: 302 sec. Burn time: 164 sec. Isp(sl): 250 sec. Diameter: 3.1 m. Span: 3.1 m. Length: 26.4 m. Propellants: N2O4/Aerozine-50 No Engines: 2. LR-87-11

• Stage Number: 2. 1 x Titan 4-2 Gross Mass: 39,500 kg. Empty Mass: 4,500 kg. Thrust (vac): 46,857 kgf. Isp: 316 sec. Burn time: 223 sec. Isp(sl): 160 sec. Diameter: 3.1 m. Span: 3.1 m. Length: 9.9 m. Propellants: N2O4/Aerozine-50 No Engines: 1. LR-91-11

• Stage Number: 3. 1 x Centaur G Gross Mass: 23,880 kg. Empty Mass: 2,775 kg. Thrust (vac): 14,970 kgf. Isp: 444 sec. Burn time: 625 sec. Diameter: 4.3 m. Span: 4.3 m. Length: 9.0 m. Propellants: Lox/LH2 No Engines: 2. RL-10A-3A

• USA 39 Spacecraft: DSP Block 14. Payload: DSP s/n 14. Mass: 2,360 kg.

  First Titan 4 launch.

• USA 61 Spacecraft: NOSS-2 subsatellite. Payload: NOSS-Subsat 9-2.

• USA 62 Spacecraft: NOSS-2 subsatellite. Payload: NOSS-Subsat 9-1.

• USA 59 Spacecraft: NOSS-2. Payload: NOSS 9.

  First launch by Titan 4 of new generation of NOSS naval reconnaissance satellites. However earlier NOSS weighed only 2,000 kg; Titan 4 booster has seven times this capacity. What else was launched?

• USA 60 Spacecraft: NOSS-2 subsatellite. Payload: NOSS-Subsat 9-1.

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  Titan 3E Centaur Credit: NASA. 18,928 bytes. 328 x 429 pixels.

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• TLD Spacecraft: NOSS-2.

• USA 65 Spacecraft: DSP Block 14. Payload: DSP s/n 15. Mass: 2,360 kg.

• USA 69 Spacecraft: Lacrosse. Payload: Lacrosse 2.

  Still operating December 1997. First West Coast launch of a Titan 4.

• USA 77 Spacecraft: NOSS-2 subsatellite. Payload: NOSS-Subsat 10-3.

• USA 76 Spacecraft: NOSS-2 subsatellite. Payload: NOSS-Subsat 10-2.

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  Titan 4 Credit: © Mark Wade. 4,738 bytes. 149 x 753 pixels.

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• USA 72 Spacecraft: NOSS-2. Payload: NOSS 10.

  Second launch by Titan 4 of new generation of NOSS naval reconnaissance satellites. However earlier NOSS weighed only 2,000 kg; Titan 4 booster has seven times this capacity. What else was launched?

• USA 74 Spacecraft: NOSS-2 subsatellite. Payload: NOSS-Subsat 10-1.

• USA 86 Spacecraft: KH-12. Payload: KH-12 no. 2. Mass: 19,600 kg.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• SSU Spacecraft: NOSS. Payload: SSU.

• NOSS 19 Spacecraft: NOSS-2. Payload: NOSS B-3.

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  Titan LVs Large Credit: © Mark Wade. 15,420 bytes. 729 x 585 pixels.

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  Third attempted launch by Titan 4 of new generation of NOSS naval reconnaissance satellites. No known launches of this system thereafter.

• SSU Spacecraft: NOSS. Payload: SSU.

• SSU Spacecraft: NOSS. Payload: SSU.

• TLD Spacecraft: NOSS. Payload: TLD.

• Milstar 1-01 Spacecraft: Milstar. Payload: DFS 1. Mass: 4,500 kg.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• USA 103 Spacecraft: Trumpet. Payload: Trumpet 1.

  Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

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  Titan 4 Launch Credit: Lockheed Martin. 45,406 bytes. 436 x 462 pixels.

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• USA 105 Spacecraft: Mercury ELINT. Payload: Mercury ELINT 1.

  First launch of Mercury ELINT satellite.

• DSP F17 Spacecraft: DSP Block 14. Payload: DSP s/n 17. Mass: 2,355 kg.

• USA 110 Spacecraft: Advanced Orion. Payload: Advanced Orion 1.

  First launch of 'Advanced Orion' (real code name unknown) new model geostationary ELINT satellite.

• USA 112 Spacecraft: Trumpet. Payload: Trumpet 2.

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  Titan 4 Large Credit: © Mark Wade. 1,480 bytes. 76 x 293 pixels.

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• Milstar DFS 2 Spacecraft: Milstar. Payload: Milstar. Mass: 4,500 kg.

  Secure military communication. Stationed at 4 deg E.

• USA 116 Spacecraft: Improved CRYSTAL. Mass: 26,000 kg.

  Improved CRYSTAL was an optical reconnaisance satellite built for the US National Reconnaissance Office. Prime contractor was thought to be Lockheed. Instruments included a large telescope with visual and near infrared wavelength CCD sensors and the ICMS mapping system.

• USA-118 Spacecraft: Mercury ELINT. Payload: Mercury ELINT 2.

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  Titan 404 Credit: Lockheed Martin. 10,554 bytes. 153 x 415 pixels.

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  Second launch of Mercury ELINT satellite.

• USA 119 Spacecraft: SDS-2. Payload: SDS B-2. Mass: 700 kg.

  Unknown orbit

• USA 120 Spacecraft: NOSS-Subsat. Payload: SSU.

• USA 121 Spacecraft: NOSS-Subsat. Payload: SSU.

• USA 123 Spacecraft: TIPS. Payload: TIPS Ralph.

  ???

• TLD Spacecraft: SDS-2.

• USA 124 Spacecraft: TIPS. Payload: TIPS Norton.

• USA 122 Spacecraft: NOSS-2. Payload: NOSS B-4.

• USA 125 Spacecraft: SDS-2. Payload: SDS B-4. Mass: 700 kg.

  Unknown orbit

• USA 129 Spacecraft: KH-12. Payload: KH-12 no. 4. Mass: 19,600 kg.

• USA 133 Spacecraft: Lacrosse. Payload: Lacrosse 3.

  Still operating December 1997.

• USA 136 Spacecraft: Trumpet. Payload: Trumpet 3.

• Mercury ELINT Spacecraft: Mercury ELINT. Payload: Mercury ELINT 3.

  Third launch of Mercury ELINT satellite.

• 42 - Isakowitz, Steven J,, International Reference to Space Launch Systems Second Edition, AIAA, Washington DC, 1991.
• 61 - Wilson, Andrew, editor,, Jane's/Interavia Space Directory, Jane's Information Group, Coulsdon, Surrey, 1992 et al.