KADENA AIR BASE, Japan -- U.S. Air Force Chief Master Sgt. Kristopher Berg, 11th Air Force command chief, visits Kadena Air Base, Japan, Aug. 17, 2023. During his visit, Berg touched base with members of the 354th FW who are currently deployed at Kadena and he toured facilities including the Armed Services Blood Bank Center and the Neonatal Intensive Care Unit at the U.S. Naval Hospital Okinawa, Japan.