X-Nico

De Havilland Firestreak

It was developed by de Havilland (later Hawker Siddeley) in the early 1950s and was the first such weapon to enter active service with the Royal Air Force and Fleet Air Arm, equipping the English Electric Lightning, de Havilland Sea Vixen and Gloster Javelin.

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For this reason, the Firestreak missile on ground test was cooled by Arcton and in flight by ammonia pumped through the missile from the parent aircraft.

see also