An aircraft maintainer assigned to the 354th Expeditionary Fighter Squadron inspects the oil levels of an A-10 Thunderbolt II attack aircraft engine during a theater security package deployment to Lask Air Base, Poland, July 13, 2015. The U.S. and Polish air forces will conduct training aimed at strengthening interoperability and demonstrating the countries' shared commitment to the security and stability of Europe. (U.S. Air Force photo by Staff Sgt. Christopher Ruano/Released)
<br>Unit: 52nd Fighter Wing Public Affairs
Staff Sgt. Christopher Ruano
Taken on 13 July 2015
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