U.S. Air Force Staff Sgt. Mark Gower, 33rd Maintenance Squadron wheel and tire technician, removes and O-ring from an F-35C Lightning II nose wheel Sept. 6, 2017, while aboard the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72). Two Airmen and two Sailors from 33rd MXS qualified Abraham Lincoln Sailors to operate F-35 support equipment bringing the U.S. Navy one step closer to initial operations capability. (U.S. Air Force photo by Staff Sgt. Peter Thompson/Released)