Sir! No Sir!

Sir! No Sir! is a 2005 documentary by Displaced Films about the anti-war movement within the ranks of the United States Armed Forces during the Vietnam War. The film was produced, directed, and written by David Zeiger. The film had a theatrical run in 80 cities throughout the U.S. and Canada in 2006, and was broadcast worldwide on Sundance Channel, Discovery Channel, BBC, ARTE France, ABC Australia, SBC Spain, ZDF Germany, YLE Finland, RT, and several others.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.