Booz Allen Hamilton, McLean, Virginia, is awarded a $28,733,649 cost-plus-fixed-fee modification to previously-awarded contract N0016422CB004 for non-personal professional support services to support the Program Executive Office Unmanned and Small Combatants (PEO USC). This contract includes options, which, if exercised, would bring the cumulative value of this contract to $103,457,453. Work will be performed in Washington, D.C. (33%); and McLean, Virginia (67%), and is expected to be completed by October 2023. Fiscal 2023 research, development, test and evaluation (Navy) funds in the amount of $2,646,962 (85%); fiscal 2023 other procurement (Navy) funds in the amount of $379,000 (12%); and fiscal 2023 operations and maintenance (Navy) funds in the amount of $80,185 (3%) will be obligated at time of award and will not expire at the end of the current fiscal year. This contract was not competitively procured via the Federal Business Opportunities or the SAM.gov websites in accordance with 10 U.S. Code 2304(c)(1) (only one responsible source and no other supplies or services will satisfy agency requirements). The Naval Surface Warfare Center, Crane Division, Crane, Indiana, is the contracting activity.