Strypi


Strypi is a US sounding rocket. The Strypi has two stages. The first stage consists of two Recruit, the second of one Castor. 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 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. The rocket's name came from the efforts of the Sandia teams, which had "taken the tiger by the tail".
In 1968, a modified Strypi was used in Material Test Vehicle 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.
American target missile. Family of re-entry vehicle test boosters and anti-missile targets using a Castor first stage with two recruit strap-ons, plus a range of upper stages.
Diameter0.79 m
Apogee200 km
First Launch1974-03-23
Last Launch1998-04-17
StatusRetired 1998
Number7
Failures1
Success Rate81.82%
First Fail Date1974-02-07
Last Fail Date1995-06-26

Derivatives

The SPARK, also known as the Super Strypi, is a three-stage derivative of the Strypi powerful enough to place a 250 kg payload into Sun-synchronous orbit. The Super Strypi was first launched on 3 November 2015, although on that test the first stage failed soon after lift-off.