United States, July 30 -- Orbis Sibro Inc., Charleston, South Carolina (N00189-26-D-L010); Mantech Advanced Systems International Inc., Herndon, Virginia (N00189-26-D-L011); QED Systems Inc., Virginia Beach, Virginia (N00189-26-D-L012); and HII Mission Technologies LLC, McLean, Virginia (N00189-26-D-L013); are being awarded $147,951,314 for a multiple-award, indefinite-delivery/indefinite-quantity contract to provide Commander, Naval Air Forces (CNAF) with aircraft carrier readiness support that includes professional engineering assistance and hazardous waste and material handling to ensure the protection of personnel and the environment. These contracts are firm-fixed-price with a five-year base ordering period with an option for an additi...