AFVN was there to Support the Troops
The Armed Forces Vietnam Network (AFVN) provided US soldiers with radio and television programs during the Vietnam War. They played an important role in keeping the troops informed and entertained.
Pictured above is AFVN announcer Billy Williams with the Orient Express radio program from Saigon…
My Vietnam Experience 
I read about it some days ago in another blog and the main things that you mention here are very similar