U.S. Air Force serial number 61-0007, a B-52H known by its nose art as “Ghost Rider,” was brought out of seven years of storage at the Defense Department’s boneyard in Arizona. Its new mission? To replace an active B-52H that was badly damaged by fire while on the ground at Barksdale Air Force Base and make the USAF arms treaty-dictated fleet of 76 B-52s whole once again