I wish him luck. A lot of folks didn't come home from that war to include Aussies and Kiwis. To tell the truth a lot who did come home from Nam really didn't. They're still there on patrol in the bush in both mind and spirit - their shells of existance walk among us.
A parallel, but different, story is detailed in the book "Lost Over Laos" about four photographers killed in a helicopter crash on February 10, 1971 and the efforts of Horst Faas and Richard Pyle to locate the crash site. The crash is detailed in "Requiem."