McNamara Special noun a transport plane specially equipped for flying dignitaries to Vietnam during the war US
It occured that same October of 1966 aboard a “McNamara Special” bound for Saigon, one of those windowless KC-135 jet tankers that the Air Force had fitted out for long-distance VIP travel and that the secretary used on his frequent shuttles. — Neil Sheehan, ABrightShining Lie, p. 681, 1988