Encyclopedia Astronautica
Johnston Island UL6


Sandhawk launch complex. Universal Launcher 6

Longitude: -169.5257 deg.
Latitude: 16.7374 deg.
First Launch: 1968.10.29.
Last Launch: 1968.11.07.
Number: 2 .

More... - Chronology...


Associated Launch Vehicles
Associated Launch Sites
  • Johnston Island US military base on this island in the Pacific Ocean. Used for rocket-launched nuclear tests in the 1950's. In the 1960's it was the site for the operational AFP-437 anti-satellite system. The system was retired in 1975. Several sounding rockets were also launched over the years, either in support of nuclear tests or in experiments related to anti-satellite technology. Known to have been used for 124 launches from 1958 to 1975, reaching up to 1158 kilometers altitude. More...

Johnston Island UL6 Chronology


1968 October 29 - . 11:32 GMT - . Launch Site: Johnston Island. Launch Complex: Johnston Island UL6. LV Family: Sandhawk. Launch Vehicle: Terrier Sandhawk. LV Configuration: Terrier Sandhawk Sandia 281-10.
  • LRL ACS-3 X-ray astronomy mission - . Nation: USA. Agency: Sandia. Apogee: 320 km (190 mi).

1968 November 7 - . 06:45 GMT - . Launch Site: Johnston Island. Launch Complex: Johnston Island UL6. Launch Pad: UL6?. LV Family: Sandhawk. Launch Vehicle: Terrier Sandhawk. LV Configuration: Terrier Sandhawk Sandia 281-11.
  • LRL ACS-2 X-ray astronomy mission - . Nation: USA. Agency: Sandia. Apogee: 320 km (190 mi).

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