States Space Force is organized and managed under the civilian-led Department of the Air Force, which also manages the United States Air Force. The Department of the Air Force is under the leadership of the secretary of the Air Force (SecAF) and under secretary of the Air Force, both civilian political appointees. The most senior Space Force officer is the chief of space operations (CSO), unless a Space Force general is serving as the chairman or vice-chairman of the Joint Chiefs of Staff. The secretary of the Air Force and chief of space operations are responsible for organizing, recruiting, training, and equipping the space forces for employment by the unified combat commands, predominantly United States Space Command. The Space Force's field organizations consist of three different echelons of command: field commands, deltas or garrisons, and squadrons. Field commands align with specific mission focuses and are led by a lieutenant general or major general. Deltas and garrisons are organized around a specific function, such as operations or training, in the case of a delta, or installation support, in the case of a garrison, and are led by a colonel. Squadrons are focused on specific tactics and are led by a lieutenant colonel. Space Staff The Space Staff, also known as the Office of the Chief of Space Operations or Headquarters, which serves as the service's highest staff and headquarters element, is located at the Pentagon. Chief of space operations The Space Staff is overseen by the chief of space operations (CSO), who holds the four-star rank of General and is responsible for organizing, training, and equipping the Space Force and serves as the principal advisor to the Secretary of the Air Force on the Space Force. In addition to a service role, the CSO serves on the Joint Chiefs of Staff (JCS), providing advice to the President and Secretary of Defense Vice chief of space operations The vice chief of space operations (VCSO), also holding the rank of General, serves as the Deputy to the Chief of Space Operations and is responsible for overseeing, integrating space policy and guidance, and coordinating space-related activities for the U.S. Space Force and Department of the Air Force. Chief Master Sergeant of the Space Force The Chief Master Sergeant of the Space Force (CMSSF) is the most senior enlisted member of the Space Force unless an enlisted guardian is serving as the senior enlisted advisor