"Flight Sergeant J Morgan, the rear gunner of an Avro Lancaster of No. 630 Squadron RAF at East Kirkby, Lincolnshire, checks his guns before taking off on a night raid on the marshalling yards at Juvisy-sur-Orge, France, 18 April 1944." Flight -Sergeant J Morgan, the rear gunner of an Avro Lancaster of No. 630 Squadron RAF at East Kirkby, Lincolnshire, checks his guns in the Nash & Thompson FN20 tail turret before taking off on a night raid on the marshalling yards at Juvisy-sur-Orge, France.