Drafted into the Army when he was 20 and sent to South Vietnam in 1969, Robert Garlick spent the next year in the “hostile, volatile, bloody” Binh Dinh Province on the country’s central coast. Answering the question “What was Vietnam like?” took him 50 years.

Semifinals in D-I and D-III and key games in D-II will leave six teams with shots at three titles on Thursday.

Gio Linh, South Vietnam, March 1967: South Vietnamese Premier Nguyen Cao Ky talks with a blindfolded North Vietnamese prisoner during a visit to an outpost a mile south of the demilitarized zone. Behind Ky is Bill Plante of CBS News. On his way to the camp, Ky criticized American efforts to stop the war, telling reporters the North and South Vietnamese should negotiate alone, without outsiders, “when the time is right.”