On 4 January 1955 the USAF issued Systems Requirement SR-12 for the Weapons System WS-118P high-speed reconnaissance vehicle. Range was to be over 5000 km, altitude over 30 km. Bell provided a proposal on 1 December 1955, calling for a ...
On 4 January 1955 the USAF issued Systems Requirement SR-12 for the Weapons System WS-118P high-speed reconnaissance vehicle. Range was to be over 5000 km, altitude over 30 km. Bell provided a proposal on 1 December 1955, calling for a ...