Aviation pioneer says 'know your stuff'
ELMENDORF AIR FORCE BASE, Alaska (AFPN) -- Capt. Joe Kunkel (left) explains F-15E Strike Eagle instrument gauges to retired Lt. Gen. William E. Brown Jr., while Capt. Ahren Heidt looks on. Both captains are assigned to the 90th Fighter Squadron at Elmendorf Air Force Base, Alaska. Brown toured the squadron before giving the keynote speech at the base's Black History Month kick-off luncheon. (U.S. Air Force photo by Staff Sgt. Prentice Colter)