A 71st Division liaison pilot makes a pick-up of map overlays and enemy situation information at Hunter Liggett Military Reservation on 28 March 1944
1940. '3-28-44. Johnson. Type L4H Liaison plane picking up map overlays and enemy situation information to be delivered to 609th F.A., 71st L. Div., C.P. situated in a strategic position along a ridge above Liaison air field during mtn. man., HLMR. This system is used for delivery of written orders and map overlays to artillery positions. For hasty pick ups, a grappling hook suspended from the plane snatches message from loop held by two men. HLMR MTN Man. R168-9-44-691.' Army Signal Corps photograph Photographer: Johnson. 27 March 1944