Suppose They Gave A War and Nobody Came a.k.a. War Games, Old Soldiers Never is a 1970 feature film.
Col. Flanders commands a U.S. Army base in the South. To improve relations with the locals, he decides to throw a community dance. He gives the assignment to Warrant Officer Nace, sergeants Gambroni and Jones and a captain, Myerson.A bigot named Billy Joe Davis is a big man in town, backed by Harve, a redneck sheriff. Harve considers a pretty barfly, Ramona, to be his girl, so when he catches her and Gambroni together, he has the sergeant placed under arrest for lewd conduct in public. ........
Source: Wikipedia