1) U.S. Navy MK2 Talker helmet. "U.S.N." and "MK-2" marked on interior. 2) U.S. Gentex Corp. Pilots helmet. The back of the helmet features a large eagle with two American flags and a Mississippi Army National Guard sticker. "FARMER" is painted on both the front and back sides of helmet. 3) U.S. Gentex Corp. tank helmet. The label on interior of shell is dated "3-79". 4) Combat Vehicle Crewman helmet with Department of the Army instructions. 5) U.S. Navy Type H200 sound powered headset.