 Major Jasper Maskelyne, a stage magician, also developed secret sabotage and subterfuge devices for MI-9.Fraser was also involved in the intelligence operation codenamed Operation Mincemeat, which was designed to drop a body, carrying false papers to mislead the Nazis, off the Spanish coast.He was tasked with designing a trunk, 6' 2" long and 3' wide, to carry a "deadweight" of 200 lb that would be preserved in dry ice.