U.S. Air Force Gen. John Hyten, commander of U.S. Strategic Command (USSTRATCOM), greets U.S. Air Force Lt. Col. John Eldridge, assistant professor for the U.S. Army Command and General Staff College (CGSC), during the CGSC nuclear enterprise class visit to Offutt Air Force Base, Neb., May 1, 2018. While here, students met with senior leaders and received USSTRATCOM and 625th Strategic Operations Squadron mission briefings. One of nine Department of Defense unified combatant commands, USSTRATCOM has global responsibilities assigned through the Unified Command Plan that include strategic deterrence, nuclear operations, space operations, joint electromagnetic spectrum operations, global strike, missile defense, and analysis and targeting.