A U.S. soldier stands in formation during Exercise Rapid Trident’s opening ceremony in Yavoriv, Ukraine, Sept. 15, 2014. The annual exercise enhances interoperability with allied and partner nations while promoting regional stability and security. The soldier is assigned to U.S. Army Europe's 173rd Airborne Brigade. A U.S. soldier stands in formation during Exercise Rapid Trident’s opening ceremony in Yavoriv, Ukraine, Sept. 15, 2014. The annual exercise enhances interoperability with allied and partner nations while promoting regional stability and security. The soldier is assigned to U.S. Army Europe's 173rd Airborne Brigade. SHARE: Download: Full Size (2.17 MB) Tags: Photo Essays Credit: VIRIN: 233740-V-XHP36-694.jpg Photo Gallery