Twenty six year old William Peter Crosse joined the squadron in June 1940 soon after the squadrons return from France and during a period of reforming. He carried out his first operation on September 28th 1940 when he undertook a unsuccessful daylight attack against St Omar airfield in Bristol Blenheim L9381. William carried out a further five operations on the Blenheim until conversion to the Vickers Wellington Mk.I where he completed a further seven operations. “A” Flights Flying Officer William Peter Crosse failed to return from a raid on the Focke-Wolf Works at Bremen on March 12/13th 1941. Wellington MkIc HA-G R1326 was shot down by Feldwebel Hans Rasper of IV./NJG1 at 21.46hrs, the aircraft crashed into the river at Gouwe Sloot near Opperdoes. The crew were initially buried in the New General Cemetery Opperdoes. The crash site was investigated and items removed by the Dutch Air Force in September 1972.