Encyclopedia Astronautica
U.S. Navy


American agency.

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Associated Countries
Associated Spacecraft
  • Lofti American communications technology satellite. 2 launches, 1961.02.22 (Lofti) and 1963.06.15 (Lofti 2A). The Low Frequency Trans-Ionospheric (LOFTI) satellites were produced as a cooperative effort with the Radio Division. More...
  • Injun American earth magnetosphere satellite. 5 launches, 1961.06.29 (Injun 1) to 1968.08.08 (Explorer 40). Radiation decay data satellite. May also have been a cover for some NRL ELINT satellites. More...
  • SURCAL American military target satellite. 15 launches, 1962.01.24 (Surcal) to 1969.09.30 (Surcal). More...
  • NRL ELINT American military naval signals reconnaisance satellite. 6 launches, 1962.12.13 (Black Sphere) to 1969.09.30 (Surcal). NRL ELINT satellite. More...
  • RADOSE American earth magnetosphere satellite. One launch, 1963.06.15. Radiation dosimeter measurements. More...
  • APL American earth magnetosphere satellite. 3 launches, 1963.09.28 (APL SN 39) to 1964.12.13 (APL SN 43). Johns Hopkins University Applied Physics Laboratory built several satellites for the Air Force in the 1960's. More...
  • Calsphere American military target satellite. 11 launches, 1964.10.06 (Calsphere 1) to 1971.02.17 (Calsphere 5). Radar calibration objects (but also cover for other classified subsatellites). More...
  • Timation American navigation technology satellite. 2 launches, 1967.05.31 (Timation 1) and 1969.09.30 (Timation 2). More...
  • Orbiscal American earth ionosphere satellite. 7 launches, 1968.08.16 (AVL-802 Grid Sphere 7-1) to (AVL-802 Grid Sphere 7-1). Investigate effects of ionosphere on radio signals. More...

See also
  • Agency Agencies or institutions overseeing design, development, construction, or operation of space-related systems. More...

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