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NSA

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Location: Fort Meade, MD.

• Test mission - . Nation: USA. Agency: NASA, NSA. Apogee: 120 km (70 mi). First successful flight of a Terrapin sounding rocket at Wallops Island, which consisted of a Deacon and T55 rocket and carried a payload of 3 kg to a 120 km altitude..

• Test mission - . Nation: USA. Agency: NASA, NSA. Apogee: 16 km (9 mi). First Terrpain launch attempt..

• Chemical release mission - . Nation: USA. Agency: NSA. Apogee: 100 km (60 mi).

• Chemical release mission - . Nation: USA. Agency: NSA. Apogee: 100 km (60 mi).

• Chemical release mission - . Nation: USA. Agency: NSA. Apogee: 100 km (60 mi).

• Chemical release mission - . Nation: USA. Agency: NSA. Apogee: 100 km (60 mi).

• USA 139 - . Payload: Orion 4. Mass: 5,200 kg (11,400 lb). Nation: USA. Agency: NRO, NSA. Manufacturer: El Segundo. Class: Surveillance. Type: SIGINT. Spacecraft: Advanced Orion. USAF Sat Cat: 25336 . COSPAR: 1998-029A. Apogee: 35,800 km (22,200 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.00 deg. Period: 1,440.00 min.

• Mercury ELINT - . Payload: Mercury ELINT 3. Nation: USA. Agency: NRO, NSA. Manufacturer: TRW. Class: Surveillance. Type: SIGINT. Spacecraft: Mercury ELINT. Third launch of Mercury ELINT satellite..

• USA 176 - . Payload: DSP-1 Block 18 F22. Mass: 2,380 kg (5,240 lb). Nation: USA. Agency: NSA. Manufacturer: TRW. Class: Surveillance. Type: Early warning satellite. Spacecraft: DSP. USAF Sat Cat: 28158 . COSPAR: 2004-004A. Apogee: 36,105 km (22,434 mi). Perigee: 35,852 km (22,277 mi). Inclination: 0.68 deg. Period: 1,445.94 min.

  DSP-1 Block 14 ballistic missile launch detection satellite. Last flight of the IUS upper stage. Launch delayed from November 4, 2003, and January 17, 2003. Planned IMEX piggyback payload cancelled. Still in service as of March 2007, expected to remain operational until 2017-2022. As of 2004 Feb 15 located at 96.66W drifting at 2.464W degrees per day.

• USA 197 - . Payload: DSP-1 Block 18 F23. Mass: 2,270 kg (5,000 lb). Nation: USA. Agency: NSA. Manufacturer: TRW. Class: Surveillance. Type: Early warning satellite. Spacecraft: DSP. USAF Sat Cat: 32287 . COSPAR: 2007-054A. Apogee: 36,325 km (22,571 mi). Perigee: 35,800 km (22,200 mi). Inclination: 0.00 deg. Period: 1,436.00 min.

  Final DSP launch. The series was to be replaced by SBIRS, which was in the middle of a troubled development program. The Delta 4H performed well after problems on its first launch. The RL10-powered upper stage made three burns before releasing the early-warning satellite in its final geosynchronous orbit. Total cost of the flight was $700 million, with the DSP worth $400 million. The DSP carried a special 25 kg supplementary payload designed to detect extremely small nuclear tests in space. The payload was required by a secret White House/National Security Council directive to detect any attempted covert nuclear tests by Iran or North Korea.