When the United States entered World War II after the attack on Pearl Harbor, the 31st Bombardment Squadron was deployed to various theaters of operation. The squadron participated in strategic bombing campaigns in the Pacific theater, conducting missions against Japanese forces. Notably, it flew combat missions with B-25 Mitchell bombers, contributing to the overall war effort. Basic shipping included to most countries, allow 4+ weeks before arrival. Additional costs may incur for EURO, South America and African countries.