The 728th AMS is a traditional Air Mobility Command en-route squadron, categorized as a tenant unit of the 39th Air Base Wing. The squadron provides expertise in three core competencies: aerial port operations, aircraft maintenance, and command and control. The area of responsibility covered by the 728th AMS is Eastern Europe, Africa and Southwest Asia. The squadron is under the command of the 521st Air Mobility Operations Group, headquartered at Rota Air Base, Spain and the 521st Air Mobility Wing, headquartered at Ramstein Air Base, Germany. Serving as the gateway to Central Command, many missions stop at Incirlik AB for fuel, crew-rest, maintenance, or transportation of cargo and warfighters downrange. The Patriot Express mission provides travel support to U.S. military members and contract personnel through Space-Required and Space-Available programs.