The story of the 509th is a tale of an elite outfit that lived in a bubble of secrecy and endured the taunts of other war - weary U.S. units that resented sharing a small Pacific island with the 509th, which appeared exempt from combat. Tinian Island was the staging area where the 509th moved after its creation in the desert.
The 509th was an elite, secretive outfit on Tinian Island, a small island in the Pacific, who was poorly understood by neighboring U.S. military units.