 The Ministry of Supply (MOS) formed the Guided Projectile Establishment under W. P. Cooke at Westcott,
Buckinghamshire, and the Rocket Propulsion Group under A. D. Baxter at RAE, Farnborough.Work commenced in applying German technology, with the Halstead Experimental Centre of the MOS monitoring commercial exploitation.A contract was placed in 1945 with Vickers Armstrong Limited for the design and construction of several test vehicles.