Iron Dagger An Air Force F-35A Lightning II and an KC-135 Stratotanker prepare for an aerial refueling over Yokota Air Base, Japan, Dec. 9, 2021, during Operation Iron Dagger. The operation allows military forces to be strategically predictable and operationally unpredictable in the Indo-Pacific Region. SHARE: Download: Full Size (1.79 MB) Tags: Air Force, Indo-Pacific, Operation IRON DAGGER Credit: Air Force Staff Sgt. Braden Anderson VIRIN: 211209-F-BE965-0906M.JPG Photo Gallery