This is the Ministry of Supply. Among its countless rocket engine projects there were the Scarab and Ladybird. Manufacturing would actually take place at existing construction companies.

“MoS solid rockets” (PiP)

-There was another MoS missile with liquid-fuel rocket engines but designed in the official RAE (Royal Aircarft Establishment), around 1949.

"Missile with liquid fuel engine"

-Below we show another MoS design but made by Fairey in Australia. It has a large 20-inch diameter booster for take off.

"A Fairey with a solid booster"