The United States created the Rapid Deployment Joint Task Force (RDJTF) in March 1980 after the Iran hostage crisis and the Soviet invasion of Afghanistan exposed the need for a stronger, rapidly deployable U.S. military presence in the Middle East and surrounding region. Its purpose was to respond to regional crises, protect U.S. interests—including the vital Persian Gulf oil routes—and, if necessary, counter a Soviet move toward Iran or the Gulf.
Over the following two years, the RDJTF was separated from U.S. Readiness Command and developed into a permanent unified command. On 1 January 1983 it was activated as the United States Central Command (CENTCOM), responsible for the strategic area between the then-European and Pacific Commands. Its first planning emphasized both deterring a possible Soviet invasion through Iran and reassuring U.S. partners in the region. #History