Five Stones Research Corp. (5SRC),* Huntsville, Alabama, is being awarded a competitive cost-plus-fixed-fee level-of-effort contract. The total value of this contract is $266,416,474. Under this new contract, the contractor will provide support that includes providing improved weapons systems cybersecurity through Cybersecurity Management; providing improved effectiveness of the current Department of Defense (DOD) Computer Network Defense Service Provider (CNDSP) construct in defending and protecting DOD networks; improving information cybersecurity integration into the system architecture, system life cycles, and accreditation documentation; ensuring compliance with all DOD cybersecurity policy, directives, and mandates; securing cloud-based information systems; evaluating proposed IT solutions; and identifying vulnerabilities and threat mitigations on information systems. The work will be performed in Fort Belvoir and Dahlgren, Virginia; Huntsville, Alabama; Schriever Air Force Base, Colorado; and Ft. Greely, Alaska. The performance period is from October 2022 to October 2027. This contract was competitively procured via publication on the SAM.gov website with seven proposals received. Fiscal 2022 research, development, test and evaluation funds in the amount of $2,396,976 are being obligated at time of award. The Missile Defense Agency, Huntsville, Alabama, is the contracting activity (HQ0858-22-C-0008).