This firm fixed-price purchase order, valued at $560,084.87, was awarded by the Department of Justice United States Marshals Service to Citadel Completions LLC. The contract is for aircraft heavy maintenance check services on a Boeing 737-400 aircraft owned by the Justice Prisoner and Alien Transportation System. Services will include accomplishment of 1A, 2A, 1C, 2C and 4C checks in accordance with the low-utilization maintenance program at the place of performance in Lake Charles, Louisiana between July and November 2021. This award fulfills a solicitation requesting quotes to complete maintenance including routine and non-routine work cards to support the agency's fleet used for prisoner and alien air transportation. There is no set-aside designation for this contract.