Booz Allen Hamilton, McLean, Virginia (N00189-21-D-Z046); CACI Inc. – Federal, Chantilly, Virginia (N00189-21-D-Z047); Science Applications International Corp., Reston, Virginia (N00189-21-D-Z048); Capstone Corp., Alexandria, Virginia (N00189-21-D-Z049); and 22nd Century Technologies Inc., McLean, Virginia (N00189-21-D-Z050), are awarded an estimated $556,014,538 cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity, multiple-award contract that will include terms and conditions for the placement of both cost-plus-fixed-fee and firm-fixed-price task orders to provide technical services that include information technology (IT) enterprise architecture, portfolio management, governance operations, information management/IT requirements management, development and refinement of legacy information systems sustainment and transformation to the optimized MyNavyHR operational construct, and continuum of on-site and off-site support in support of Office of the Chief of Naval Operations (OPNAV) Information Technology Department Command Information Office statutory oversight responsibilities. The contracts will run concurrently and will include a 60-month base ordering period with an additional six-month ordering period option, which if exercised, will bring the estimated cumulative value to $800,000,000. The base ordering period will begin November 2021 and is expected to be completed by October 2026; if the option is exercised, the ordering period will be completed by April 2027. Work will be performed in Pensacola, Florida (40%); Millington, Tennessee (30%); Arlington, Virginia (20%); and various locations throughout the continental U.S. in which those locations cannot be determined at this time (10%). Fiscal 2022 operation and maintenance (Navy) funds in the amount of $50,000 ($10,000 on each of the three contracts) will be obligated to fund the contracts’ minimum amounts, and funds will expire at the end of the fiscal year. Individual task orders will be subsequently funded with appropriate fiscal year appropriations at the time of their issuance. This contract was competitively procured for the award of multiple contracts pursuant to the authority set forth in Federal Acquisition Regulation 16.504 with the solicitation posted on beta.SAM.gov, with 17 offers received. Naval Supply Systems Command Fleet Logistics Center Norfolk, Contracting Department, Philadelphia Office, Philadelphia, Pennsylvania, is the contracting activity.