U.S. Army Airborne Sublimation T-ShirtThis U. S. Army airborne sublimation men's t shirt, has a huge graphic of a squad on the ground with helicopters bringing in supplies on the front. One sided or two sided versions available. Sublimation Printing: Imperfections are part of the sublimation printing process which are unique, industry normal, and expected. While the manufacturer takes every step to minimize these imperfections, it cannot be eliminated entirely. Common areas are folds or