Vietnam is never mentioned in any episode of Gomer Pyle either directly or indirectly.
I didn't exist in the original airings, but Nick @ Nite and TV Land gave me all those awesome shows when I was a kid. Dick Van Dyke, I Love Lucy, Bob Newhart, Rhoda, Mary Tyler Moore, Taxi, The Munsters, Happy Days. The list goes on and on.
BEN: And these blast points, too accurate for Sandpeople. Only Imperial stormtroopers are so precise.
LUKE: Why would Imperial troops want to slaughter Jawas?