The Boeing Co., Long Beach, California, has been awarded a $3,464,266,341 firm-fixed-price, fixed-price incentive (firm target), cost-plus-incentive-fee, cost-plus-fixed-fee, cost reimbursement-no fee and time-and-material, indefinite-delivery/indefinite-quantity contract for the C-17 Globemaster III Sustainment Program. The period of performance is nine years and eight months, consisting of three 12-month ordering periods, two 37-month options, and the six-month option to extend services, for a total maximum value of $23,764,751,000. This contract will provide support and sustainment services to the government product support manager/product support integrator for the C-17 weapon system. Support includes, but is not limited to: program management; sustaining logistics; material and equipment management; sustaining engineering; quality assurance; depot level aircraft maintenance and modifications; F117 propulsion system management; long-term sustainment planning; field services, unique foreign military customer services and Air Logistics Center partnering support for the worldwide fleet of the C-17 aircraft. Work will be performed in multiple domestic and international locations and is expected to be completed by May 30, 2031, if all options are exercised. The contract involves Foreign Military Sales (FMS) to the United Kingdom, Australia, Canada, NATO Airlift Management Program Office, India, Kuwait, United Arab Emirates and Qatar. This award is the result of a sole source acquisition. No-year FMS funds in the amount of $5,000,000 are being obligated at the time of award. There is known congressional interest pertaining to this acquisition. Air Force Life Cycle Management Center, Robins Air Force Base, Georgia, is the contracting activity (FA8526-21-D-0001).