NEPTUNE CONVOY U.S. Army paratroopers conduct a convoy during Neptune Thrust 2015 at Pocek Range in Postonja, Slovenia, May 17, 2015. The combined exercise between the 173rd Airborne Brigade and the Slovenian 1st Brigade focuses on enhancing interoperability and developing individual technical skills. The U.S. paratroopers are assigned to the 173rd Brigade Special Troops Battalion. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 406932-J-IEX21-408.jpg Photo Gallery