Mr Monkey scampered from the Gunnery Hall to Phase 2 of the museum, the Cold War gallery. One of the British inventions that didn't quite work was this Green Mace anti-aircaft gun.
For an extensive list of the slightly odd codenames used on secret British projects after 1945, follow the 'Colour codes' link at the United Kingdom Aerospace and Weapons Projects website.
Copyright Rik Shepherd and Mr Monkey. This page last modified 9 May 2004