Keywords: text LC-USZC2-5561: WWII Poster, Civilian Defense. “Join now – the office of Civilian Defense needs you for decontamination squads.” Poster encourages civilians to join civil defense squads and shows a man in uniform spraying a building. Artwork by John McCrady between 1941-43. (8/28/2015). LC-USZC2-5561: WWII Poster, Civilian Defense. “Join now – the office of Civilian Defense needs you for decontamination squads.” Poster encourages civilians to join civil defense squads and shows a man in uniform spraying a building. Artwork by John McCrady between 1941-43. (8/28/2015). |