Aviator Optics Air Force Master Sgt. Thirasack Bone, a special missions aviator assigned to the 1st Helicopter Squadron, lands at Joint Base Andrews, Md., after a mission, Oct. 30, 2019. The squadron conducts high-priority airlift missions and provides contingency response in the National Capital Region. SHARE: Download: Full Size (1.55 MB) Tags: Air Force Credit: Air Force Airman 1st Class Noah Sudolcan VIRIN: 191030-F-PB738-1006Y.JPG Photo Gallery