The “”Suppose it won’t do its job?” IT WILL THATS OUR JOB!” poster was used in the U.S. during World War 2 to encourage those working at home in the factories to do their job correctly. It made a direct link between those who were fighting and those at home who were working in factories.
It depicts a soldier loading a artillery gun and has companion asking him the question “Suppose it wont do its job?”. The soldiers are obviously need the shell to function correctly at this key junction in the battle.
Posters like these were prominently displayed in factories and places of work to keep up morale on the homefront and those working in factories. This was part of a series of posters produced and circulated by the war production board. It was designed by Harry Morse Meyers who also designed the I need you on the job full time… Dont get hurt poster.