Staff Sgt. Todd Hickman greases the joints on a 60K cargo loader. U.S. Air Force Staff Sgt. Todd Hickman, a 532nd Expeditionary Operations Support Squadron vehicle maintenance element mechanic, greases the joints on a 60K cargo loader at Al Asad Air Base, Anbar province, Iraq, on April 18, 2011. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 803560-O-LZU28-702.jpg Photo Gallery