Mekong Delta, Vietnam, July 1967: An underwater pothole gives a hapless GI an unexpected dunking as a buddy grins at his ...

"These images help to humanize the soldier and remind us of just how young they were, as well as the sheer gravity of the war," Rennick said.

Announcer: The passage of the Gulf of Tonkin Resolution in 1964 gave the President the authority to do what he thinks is necessary to maintain peace and security in Vietnam. In 1967, some ...