The Strongarm sounding rocket is a five-stage, solid propellant vehicle capable of carrying a 20-pound payload to an altitude of 1000 miles. The first three stages, one Honest John prime mover and two Nike-Ajax boosters, are fin-stabilized, while the fourth stage, a Thiokol Yardbird, and the fifth stage, a Jet Propulsion Laboratory Scale Sergeant, are stabilized by flared skirts.
(NASA Photo courtesy Joel Powell)
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