U.S. Army and German paratroopers take off in a UH-60 Black Hawk for a multi-national airborne operation at Preston Drop Zone, Fort Gordon, Ga., Friday, March 4, 2016. The purpose of Operation "Glück Ab" is to foster German and U.S. relationships, develop interoperability during training, and provide a basis for future operations in training and real world environments. (U.S. Army photo by Spc. Rachel Diehm/Released)