A black and white photograph taken at Phuoc Tuy July 1969. Pte Greg Salmon explains the workings of an M79 grenade launcher to a Vietnamese soldier while Pte John Dever explains the action of an M16 to another. The Australians were training part of the Vietnamese 18th Division mear the HorshoeA black and white photograph taken at Phuoc Tuy July 1969. Pte Greg Salmon explains the workings of an M79 grenade launcher to a Vietnamese soldier while Pte John Dever explains the action of an M16 to another. The Australians were training part of the Vietnamese 18th Division mear the Horshoephotograph, phuoc tuy, pte greg salmon, m79 grenade launcher, pte john dever, m16 assult rifle, vietnamese 18th division, horshoe, gibbons collection catalogue