The flag stands at half-staff in honor of Maj. Gen. Joseph Brown IV at Ellsworth Air Force Base, S.D., April 23, 2013. Brown and his wife, Sue S. Brown, were killed April 19 when the Cessna 210 he was piloting crashed in Williamsburg, Va. During his career Brown served in a variety of positions, including commander of the 28th Operations Group and 28th Bomb Wing at Ellsworth. (U.S. Air Force photo by Airman 1st Class Hrair H. Palyan/Released)