(L-R) Brig. Gen. Eric W. Crabtree is congratulated by Maj. Gen. Robert E. Duignan (Ret.) folloiwng a ceremony where General Duignan presented a Senior Executive Service lapel pin to his predecessor, 4th Air Force Commander General Crabtree. The April 30th ceremony at 4th AF was attended by the headquarters staff. (U.S. Air Force photo/2Lt. Zachary L. Anderson)