U.S. Air Force crew chiefs from the 354th Expeditionary Fighter Squadron perform maintenance on a U.S. Air Force A-10 Thunderbolt II attack aircraft engine during a theater security package deployment to Lask Air Base, Poland, July 9, 2015. The U.S. and Polish air forces will conduct training aimed to strengthen interoperability and demonstrate the countries' shared commitment to the security and stability of Europe. (U.S. Air Force photo by Staff Sgt. Christopher Ruano/Released)
Soldiers with the 2nd Battalion, 159th Attack Reconnaissance Battalion, 12th Combat Aviation Brigade take off in a Boeing AH-64 Apache helicopter June 18, 2015, in Mirosławiec, Poland, during Saber Strike 15. Encompassing more than 6,000 participants from 13 different nations, Saber Strike is a long-standing U.S. Army Europe-led cooperative training exercise. Designed to improve joint operational capability in a range of missions as well as preparing the participating nations and units to support multinational contingency operations, this year's exercise takes place across Estonia, Latvia, Lithuania and Poland. (U.S. Army photo by Spc. Marcus Floyd, 13th Public Affairs Detachment)
U.S. Marine Lance Cpl. Victor CastilloGarcia, left, a field radio operator from Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa, provides security for an MV-22B Osprey at a landing zone in Sierra Del Retin, Spain, May 4, 2015. The Marines landed at the site to conduct range operations with the Spanish Marines, who used the Osprey as part of their battalion’s training exercise. (U.S. Marine Corps photo by Sgt. Paul Peterson/Released)
A U.S. Marine with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa fires his Infantry Automatic Rifle at a training range in Sierra Del Retin, Spain, May 6, 2015. The light weight and rapid-fire capabilities of the IAR allows the Marines to suppress enemy positions while maintaining a high level of maneuverability. (U.S. Marine Corps photo by Sgt. Paul Peterson/Released)
