For aircraft carrier-borne aviators in the Gulf of Tonkin, assignments taking them to DaNang and back were actually beer runs in disguise. Banning of alcohol aboard USN ships has been a very long standing myth. It’s a little known fact (except among the squids) that San Miguel helped fight the Vietnam War.
San Miguel?
Damn, we in-country had to rely on mostly Schlitz or Black Plague, (Black Label), but after a hard, hot day it tasted great.