If You Talk Too Much This Man May Die mirror

U.S. soldier looks into washroom mirror with sign around it reading "IF YOU TALK TOO MUCH THIS MAN MAY DIE!". Encouragement of not spreading information which might be sensitive in the War effort during World War II. Camp Hood, Texas, 1943.
Original caption:

"Every man, a poster at Camp Hood. Taking a cue from the Office of War Information (OWI) poster "If you talk too much, this man may die", Private Ivan A. Smith, editor of the Camp Hood Panther, Camp Hood,Texas, originated this novel method of reminding his fellow soldiers to practice discretion. Looking into the mirror at the camp"