Shortly after the United States joined the Allied war effort following the Japanese attack on Pearl Harbor, a contingent of US Army soldiers unexpectedly found themselves being sent not to the Pacific or to Europe but to the Middle Eastern nation of Iran. There, amid the broiling heat of the desert sun and the bitter cold of mile-high mountain ranges, former American longshoremen, truck drivers, assembly line workers, and others toiled diligently to complete a critical wartime logistics mission in a strange and often perplexing land. Instructions for American Servicemen in Iran During World...