Army civilian operations planner promoted to lieutenant colonel in Army Reserve
Brig. Gen. Daryl O. Hood (left), the commanding general of the 20th Chemical, Biological, Radiological, Nuclear, Explosives (CBRNE) Command, administers the oath of office to Lt. Col. Nathan C. Cantwell (right) at the Mallette Auditorium on Aberdeen Proving Ground, Maryland, July 28. Cantwell serves as the Army Reserve operations officer at Army Material Command – Army Reserve Element (AMC-ARE) Detachment 7, which directly supports the Communications-Electronics Command, and an Army civilian operations planner at the 20th CBRNE Command on Aberdeen Proving Ground. U.S. Army photo by Marshall R. Mason.