California Army National Guard Maj. Gen. Matthew Beevers answers reporters' questions during the Romanian air force's 71st Air Base's air show and open house at Campia Turzii, Romania, July 23, 2016.
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)
A U.S. Air Force security forces Airman secures the outside of a hardened facility after neutralizing the opposing force during a combat training course on Ramstein Air Base, Germany, May 30, 2015. Battlefield Leaders Assaulter Course, Integrated Combat Essentials -- or BLAC ICE is designed to teach security forces members from multiple countries advanced tactics and shooting skills for use in the event of a base security breach. (U.S. Air Force photo/ Tech. Sgt. Ryan Crane)
U.S. and European security forces discuss their strategy prior to breaching a hardened facility during a combat training course on Ramstein Air Base, Germany, May 30, 2015. Battlefield Leaders Assaulter Course, Integrated Combat Essentials -- or BLAC ICE is designed to teach security forces members from multiple countries advanced tactics and shooting skills for use in the event of a base security breach. (U.S. Air Force photo/ Tech. Sgt. Ryan Crane)
U.S. Marine Lance Cpl. Joseph Zullo from Alpha Fleet Anti-terrorism Security Team Company Europe (FASTEUR), Naval Station Rota, instructs a Romanian Jandarmeria member in the use of an M240B machine gun at the Romanian intelligence service shooting range in Bucharest, Romania, Feb. 26, 2015. FASTEUR Marines conducted small arms marksmanship training with host nation forces during an embassy engagement to familiarize both forces on weapons normally used during security operations. (U.S. Marine Corps photo by Sgt. Esdras Ruano/Released)