The two packs are Marine backpacks which took over from the WW I Haversack. The entrenching tool and cover is an old post WW I style. The backpacks have the shelter half...each soldier had a half a tent, 3 poles, a rope and five pins. With your buddy, you had a full tent, or a decent lean-to by yourself. They are carried in a "horseshoe roll" strapped on the top and each side with the individual poles, pins and rope rolled in the shelter half. . The one on the right has the accessory cargo pack which straps to the bottom of the backpack. Marines had these through most of the WW II, whereas the Army still had to use the &%$# WW I Haversacks until 1945. These would be OK an a WW II Marine AFV, although tankers didn't carry backpacks or horseshoe rolls. Halftracks, Jeeps, WCs would be ideal. Tankers carried only the cargo pack, many times strapped to the hold or stowage bars on the turret. Das Kabel habe ich keine blase ahnung.[:-]