http://en.wikipedia.org/wiki/Ministry_of_Supply The vehicles I knew were a pair of Bedford RS (Disiel engined 4x4 RL) dated 1957, they were supplied for range test vehicles, subsequently parked up for sonar testing. As for non military , military projects, the very obvious one was the A Bomb, most work was done by 'Civillian reserchers'. For some reason the letters SVL come to mind in the registartion.