Behind the gun and gunner’s pod—where troops and machine gunners would sit on a traditional Huey—would be the cockpit. Back in the 1960s, the Army was increasingly involved in the Vietnam War.

The Bell UH-1 helicopter, popularly known as the "Huey," was the workhorse aircraft for U.S. forces in Vietnam. Well adapted for jungle warfare, the Huey could fly at low altitudes and speeds ...