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Defense Meteorological Support Program weather satellite P-35-1 or DMSP-1 F1 (AKA: Program 35 F-1, P-698BH F1, DSAP-1 F1).
Category. Statistic.
Launch vehicle. Mercury Scout
Launch date. 23 May 1962
Launch site. Va LC-D
Ceased operations. 23 May 1962. Failed to reach orbit because the rocket's 2nd stage exploded.
Owner(s). American DoD
Major contractor(s)  American DoD
Is it still in orbit. No. Failed to reach orbit because the rocket's 2nd stage exploded.
Launch mass 45-55kg
Nationality(s). American
Satellite type. Military weather satellite
Links https://en.wikipedia.org/wiki/Defense_Meteorological_Satellite_Program and http://imagine.gsfc.nasa.gov/science/toolbox/missions/dmsp.html


The Defense Meteorological Satellite Program (DMSP) monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is managed by the Air Force Space Command with on-orbit operations provided by the National Oceanic and Atmospheric Administration. The (originally classified) mission of the satellites was revealed in March 1973. They provide cloud cover imagery from polar orbits that are sun-synchronous at nominal altitude of 450 nautical miles (830 km).

During the 1960s, one of the most important projects that the United States civil space program was involved in dealt with meteorology and weather forecasting. Unbeknownst to many, the U.S. military services were also starting up a weather satellite program. This program, the DMSP, would relay important weather and climate data to the military for more effective operations. From the onset of the DMSP program, knowledge of its existence was limited to "need-to-know" personnel. The United States Congress had assigned a substantial budget towards the civil weather satellite program; if knowledge of a second military program came out, it would have been hard for the military to justify it.

See also[]

  1. Space satellites