Rebecca Bill Chavez has been appointed to the Senior Executive Service as deputy assistant secretary of defense for policy (Western hemisphere affairs), Washington, D.C.

Richard O. Wightman Jr., has been assigned as principal deputy assistant secretary of defense (reserve affairs), Office of the Assistant Secretary of Defense (Reserve Affairs), Washington, D.C.

Before joining CSIS, he served as the 26th U.S. deputy secretary of defense. Prior to holding that ... where he became its deputy assistant director for national security and international affairs. In ...