Description: Aircrews of 40 Squadron reach their Blenheim IVs by truck and prepare for take off. Blenheims have sirens. Corporal George Reddy. Indoors crews are briefed over map for raid on Bremen and Wilhelmshaven [although squadron was attacking Channel ports]. Bomb trolley heads towards Blenheims, then seen in flight over mudflats (East Anglia ?) and summer country. (Based at Wyton from December 1939 to November 1940.)