The Ghost Army was a United States Army tactical deception unit during World War II officially known as the 1st Headquarters Special Troops (Operation Quicksilver). The 1100 man unit was given a unique mission within the Allied Army: to impersonate other Allied Army units to deceive the enemy.This engraved and hand stitched leather sleeve is designed to hold one US passport. It measures 5 1/2x 3 3/4”