A German Air Force maintainer performs pre-flight checks on a German Air Force CH-53GS (of the Hubschraubergeschwader 64, <a rel="nofollow" class="external text" href="http://www.luftwaffe.de/portal/a/luftwaffe/!ut/p/c4/NYvLCsIwEEX_aCZRKurOUgpd6ibWXUxDHcijDNN248ebLLwHzuZw8YWFZDearVBONuATR0fX9w5hB8vuQ1vyKxyUbiBaQlMPkweXk5dq8UmoeGYrmWHJLKGWlbkUoAlHpbtWndR_-nsx9970zfHcDe0DlxhvPwgd_J8!/">source</a>) during Angel Thunder 2015 at Davis-Monthan Air Force Base, Ariz., June 7, 2015. Angel Thunder is the world’s largest personnel recovery exercise. D-M hosted 11 partner nations and nine interagencies with a common goal to train personnel recovery forces to prepare, plan, execute and adapt for rescue missions.   (U.S. Air Force photo by Airman 1st Class Chris Massey/Released)
Airman 1st Class Chris Massey
Taken on 7 June 2015
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