"I love things that go booom," says Marine Staff Sgt. Steve Mannon, with one of the many Vietnam War-era rounds uncovered at the crash site. Sgt. Christophe Paul/U.S. Army Commuting by chopper, ...

Night closed over Laos, where clouds were piling up over the rugged mountain jungle. An American pilot, on a mission to disrupt enemy traffic bound for North Vietnam, was flying into trouble. The ...