A Lithuanian soldier, left, explains his weapons operation to a U.S. soldier during a training exercise in Rukla, Lithuania Feb. 2, 2015. A Lithuanian soldier, left, explains his weapons operation to a U.S. soldier during a training exercise in Rukla, Lithuania Feb. 2, 2015. SHARE: Download: Full Size (1.81 MB) Tags: photo essays Credit: VIRIN: 882865-Q-UQL85-748.jpg Photo Gallery