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Mercury ELINT

Spacecraft · USA

Original archive entry. The text, images and links below are kept as they were written.

APMTE Hughes
APMTE Hughes
Credit: Hughes

American electronic intelligence satellite. Class of heavy signals intelligence satellites introduced at the end of the 1990's.

More at: Mercury-fo.

Country
USA
Agency
USAF
Bibliography
172, 2, 6, 12820

Chronology

4 events

1994 August 27

08:58 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 401A/Centaur.
  • USA 105 - . Payload: Mercury ELINT 1. Nation: USA. Agency: NRO, USAF. Class: Surveillance. Type: SIGINT. Spacecraft: Mercury ELINT. USAF Sat Cat: 23223 . COSPAR: 1994-054A. Apogee: 35,790 km (22,230 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.00 deg. Period: 1,436.10 min. First launch of Mercury ELINT satellite..

1996 April 24

23:37 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 401A/Centaur.
  • USA 118 - . Payload: Mercury ELINT 2. Nation: USA. Agency: NRO, USAF. Class: Surveillance. Type: SIGINT. Spacecraft: Mercury ELINT. USAF Sat Cat: 23855 . COSPAR: 1996-026A. Apogee: 35,790 km (22,230 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.00 deg. Period: 1,436.00 min. Second launch of Mercury ELINT satellite..

1998 August 12

11:30 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 401A/Centaur. FAILURE: Due to guidance system loss of heading after power interrupt, booster pitched over 40 seconds after launch, and was destroyed by range safety.. Failed Stage: G.
  • 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..

2014 April 10

17:45 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. Launch Pad: SLC41. LV Family: Atlas V. Launch Vehicle: Atlas V 541.
  • USA 250 - . Payload: NROL-67. Mass: 3,600 kg (7,900 lb). Nation: USA. Class: Surveillance. Type: SIGINT. Spacecraft: Mercury ELINT. USAF Sat Cat: 39652 . COSPAR: 2014-020A. Apogee: 35,790 km (22,230 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.00 deg. Period: 1,436.00 min. It appeared likely that the Centaur stage made three burns to deploy the USA 250 payload in geosynchronous orbit. The payload was suspected to be a large NRO signals intelligence satellite..