Developed by the Naval Ordnance Test Station (NOTS) at
China Lake, California during the mid-to-late 1950s, the Hopi missile was an improved development of the earlier BOAR (
Bombardment Aircraft Rocket). BOAR had been developed at China Lake as an unguided, nuclear-armed rocket for use by
carrier-based aircraft, seeing limited service in the fleet between 1957 and 1963. In its essentials simply an enlarged version of BOAR, The rocket-powered missile was capable of being fitted with a
W50 nuclear warhead capable of producing a yield between 60 and 400
kilotons; however, no details of the planned guidance system for the missile, or if there even was intended to be guidance at all, have survived. ==Operational history==