Low Level Bombsight, Mark III use in October 1942. Coastal Command had priority on deliveries and only small numbers reached Bomber Command. The first examples arrived in May 1943 and were fit to Douglas Boston bombers of 2 Group. In 1944 the sight was trialled on the Avro Lancasters of No. 617 Squadron RAF, the Dambusters, who carried out a single low-level attack with them in late 1944. Most examples sent to Bomber Command equipped a small number of De Havilland Mosquito aircraft in No. 627 Squadron RAF (who normally operated as pathfinders) and No. 8 Group RAF (Pathfinder Force). The sight remained with Coastal
Kilroy was here in the Army as Private Snoops, and in the Navy he was called The Watcher. Chad might have first been drawn by British cartoonist George Edward Chatterton in 1938. Chatterton was nicknamed "Chat", which may then have become "Chad." "Life Magazine" wrote in 1946 that the RAF and Army were competing to claim him as their own invention, but they agreed that he had first appeared around 1944. The character resembles Alice the Goon, a character in Popeye who first appeared in 1933,; and another name for Chad was "The Goon". A spokesman for the Royal Air Force Museum London