Here's some stuff related to the '60s and/or Vietnam...
Sixties gun: the M16A1,
Another Sixties gun: the M21 sniper rifle,
Sixties pope: John XXIII, of sacred memory,
Sixties book: the classic Green Eggs and Ham,
Sixties music: Creedence Clearwater Revival's "Fortunate Son."
Ladies and gentlemen, we are set. Now, off to write that review.