"Title:" This happens when you talk to others about ship sailings "Abstract:" Poster suggesting careless communication about ship departures may be harmful to the war effort, showing a face and a ship torpedoed by a submarine. "Physical description:" 1 print on board (poster) : silkscreen, color. "Notes:" Date stamped on recto: Jan 21 '43.; John McCrady.; Work Projects Administration Poster Collection (Library of Congress).