This is a solicitation for U.S. Transportation Command's (USTRANSCOM) upcoming requirement to procure a wide variety of Domestic Charter Airlift Services, procured under USTRANSCOM acquisition authority and the DoD Directive 5158.4. There are two NAICS Codes for this requirement: The North American Industry Classification System (NAICS) codes to be used for this procurement are 481211 for Nonscheduled Chartered Passenger Air Transportation and 481212 for Nonscheduled Chartered Freight Air Transportation.