A 155mm round can be seen as it is fired from an M777A2 (Howitzer) by U.S. Army Soldiers from the Field Artillery Squadron, 2nd Cavalry Regiment, stationed out of Vilseck, Germany, during a combined arms live fire exercise with their Estonian counterparts at Tapa Training Area, Estonia, May 20, 2016. (U.S. Army photo by Staff Sgt. Steven M. Colvin/Released)

- Image ID: P6771J