The poster is a black and white image of two men working on an aircraft engine. The men are dressed in work clothes and are shown collaborating on the engine, which has a large propeller. The phrase "UNITED WE WIN" is written twice on the poster, once at the top and once at the bottom.

During World War II, this poster was likely used as propaganda to promote unity and cooperation among workers in the war effort. The image of the two men working together on the aircraft engine emphasizes the importance of collaboration and teamwork in achieving a common goal. The phrase "UNITED WE WIN" reinforces this message, suggesting that victory can only be achieved through unity and collective action.

The black and white color scheme of the poster may have been chosen to convey a sense of seriousness and urgency, as well as to reflect the stark realities of war. The use of bold, capital letters for the phrase "UNITED WE WIN" further emphasizes the importance of this message and helps it stand out on the poster.

Overall, this poster would have likely had a significant impact on those who saw it during World War II, inspiring them to work together and contribute to the war effort in any way they could.