RAPID TRIDENT A U.S. soldier stands in formation during Exercise Rapid Trident’s opening ceremony in Yavoriv, Ukraine, Sept. 15, 2014. Rapid Trident is an annual U.S. Army Europe-conducted, Ukrainian-led multinational exercise designed to enhance 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 (0.07 MB) Credit: VIRIN: 046832-P-RYL28-433.jpg Photo Gallery