Air Force Secretary Deborah Lee James and Lt. Gen. Jack Weinstein, the deputy chief of staff for strategic deterrence and nuclear integration, address missile combat crewmembers and Airmen from the 90th Operations Group during a roundtable discussions at F.E. Warren Air Force Base, Wyo., Dec. 8, 2016. The secretary emphasized the ICBM mission remains critical and relevant to the nation's strategic defense. (U.S. Air Force photo/Staff Sgt. Christopher Ruano)