Which of the following key global providers is responsible for providing common user and commercial air, land, and sea transportation, terminal management, and aerial refueling to support the global deployment, employment, sustainment, and redeployment of U.S. forces? A) U.S. Transportation Command (USTRANSCOM) B) Defense Logistics Agency (DLA) C) Air Mobility Command (AMC) D) Military Sealift Command (MSC)