Group Photo Defense Secretary Dr. Mark T. Esper meets with members of the 728th Airlift Squadron upon his arrival at Andersen Air Force Base, Guam, Aug. 29, 2020. The squadron was one of the first units mobilized for the Korean War. SHARE: Download: Full Size (1.57 MB) Tags: defense secretary, indo-pacific, esper Credit: Air Force Master Sgt. Richard P. Ebensberger VIRIN: 210629-F-LP948-0005Y.JPG Photo Gallery