Avian Inc., Lexington Park, Maryland, is awarded a $12,874,549 cost-plus-fixed-fee modification (P00017) to a previously awarded contract (N0042122C0020). This modification exercises options to provide engineering, program management, and administrative support for the design, execution, analysis, evaluation, and reporting of tests and experiments for various aircraft, unmanned air systems, weapons, and weapon systems in support of the Test and Evaluation Program Leadership Division within the Naval Test Wing Atlantic. Work will be performed in Patuxent River, Maryland, and is expected to be completed in April 2024. Fiscal 2022 research, development, test and evaluation (Navy) funds in the amount of $273,005; fiscal 2023 research, development, test and evaluation (Navy) funds in the amount of $4,287,595; fiscal 2023 aircraft procurement (Navy) funds in the amount of $1,676,222; fiscal 2023 other procurement (Navy) funds in the amount of $1,098,030; fiscal 2023 operation and maintenance (Navy) funds in the amount of $555,881; fiscal 2023 working capital (Navy) funds in the amount of $270,404; fiscal 2023 weapons procurement (Navy) funds in the amount of $139,083; and Foreign Military Sales funds in the amount of $731,058 will be obligated at the time of award, $1,792,994 of which will expire at the end of the current fiscal year. The Naval Air Warfare Center Aircraft Division, Patuxent River, Maryland, is the contracting activity.