Around the Air Force: CSAF AF update, Defender Challenge Published Sept. 26, 2018 By Staff Sgt Braden Anderson Air Force TV FORT GEORGE G. MEADE, Md. (AFNS) -- On this look Around the Air Force, Air Force Chief of Staff Gen. David Goldfein gives an Air Force update, two new security force’s weapons are demonstrated at Defender Challenge and the first all Air Force Y-90 cancer treatment is conducted. Hosted by Staff Sgt. Braden Anderson. For previous episodes, click here for the Air Force TV page. Related links: - DGMC doctors perform first Air Force Y-90 cancer treatment