Army civilian operations planner promoted to lieutenant colonel in Army Reserve
William Cantwell promotes his father Lt. Col. Nathan C. Cantwell during a ceremony at the Mallette Auditorium on Aberdeen Proving Ground, Maryland, July 28. Lt. Col. Nathan 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 as an Army civilian operations planner at the 20th Chemical, Biological, Radiological, Nuclear, Explosives (CBRNE) Command on Aberdeen Proving Ground. U.S. Army photo by Marshall R. Mason.