Aircrew arrive to perform a taxi test on a B-52H Stratofortress, Feb. 12, 2015, Davis-Monthan Air Force Base, Ariz. The aircraft, known as the "Ghost Rider,” was decommissioned in 2008 and has been sitting in storage at the 309th Aerospace Maintenance and Regeneration Group's "Boneyard.” (U.S. Air Force photo by Master Sgt. Greg Steele/Release)