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Strypi is the name of a US sounding rocket. The Strypi has two stages. The first stage consists of two Recruit, the second of one Castor-rocket. The Strypi has a maximum flight height of 200 kilometres and a diameter of 79 centimetres.

The rocket was originally designed and built in 1962 by teams from the Sandia National Laboratories in an around-the-clock program that was a part of a larger nuclear weapons testing program, undertaken prior to the imposition of the Limited Test Ban Treaty (LTBT) in October, 1963. It was designed to take a nuclear warhead into space for extra-atmospheric testing. Though it performed this function only once, in Test Checkmate of Operation Fishbowl, Strypi did become the "workhorse" of Sandia's rocket research program.[1] The rocket's name came from the efforts of the Sandia teams, which had "taken the tiger by the tail".[1]

In 1968, a modified Strypi was used in Material Test Vehicle (MTV) booster tests. Although atmospheric nuclear testing was now banned, as a part of the Test Readiness Program the U.S. Air Force continued to develop the means of testing, should the ban be lifted.[1]


  1. ^ a b c "Readiness Program" (PDF). Sandia National Laboratories. Retrieved 2007-03-22. 

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