Crew Chiefs Air Force Staff Sgt. Jonathan Knutson, left, and Airman 1st Class Curtis Masenheimer perform maintenance on the tail of a CV-22 Osprey at Hurlburt Field, Fla., Sept. 27, 2016. Knutson and Masenheimer are crew chiefs assigned to the 801st Special Operations Aircraft Maintenance Squadron. Air Force photo by Airman 1st Class Joseph Pick SHARE: Download: Full Size (1.86 MB) Tags: Air Force, training, Airmen Credit: Airman 1st Class Joseph Pick VIRIN: 160927-F-UQ958-0018A.JPG Photo Gallery