United States Special Operations Command lapel pin in blue case. The United States Special Operations Command (USSOCOM) is charged with overseeing the various Special Operations Commands (SOC or SOCOM) of each branch of the U.S. military. The command is part of the U.S. Department of Defense. When Special Operations Forces (SOF) of different branches are used for the same operation, USSOCOM acts as the Joint Command Center (JCC) of all the forces used in the operation. USSOCOM is headquartered at MacDill Air Force Base in Tampa, Florida.