“When Not to Salute” from the U.S. Navy’s Bureau of Naval Personnel Information Bulletin, January 1944.
Left to Right, Top to Bottom: WHEN UNCOVERED (WITHOUT HEAD DRESS); WHEN IN RANKS (IF ADDRESSED COME TO ATTENTION); WHEN ENGAGED IN GAMES OR ATHLETICS; WHEN PART OF A DETAIL AT WORK; WHEN CARRYING ARTICLES WITH BOTH HANDS; WHEN UNDER ACTUAL OR SIMULATED BATTLE CONDITIONS; IN PUBLIC CONVEYANCES WHEN OBVIOUSLY INAPPROPRIATE; IN PUBLIC PLACES WHERE INAPPROPRIATE (THEATRE, HOTEL, RESTAURANT ETC.); AT MESS (IF ADDRESSED BY OFFICER, SIT AT ATTENTION); AT OARS IN A PULLING BOAT.
