The Boeing Co., Seattle, Washington, is awarded a $12,152,601 cost-plus-fixed-fee modification (P00010) to an order (N0001920F0647) against a previously issued basic ordering agreement (N0001916G0001). This modification increases scope to procure non-recurring engineering (NRE) for the design, fabrication, and correction of deficiencies in support of the delivery and installation of retrofit kits on Lot 12 P-8A aircraft with Increment 3 Engineering Change Proposal (ECP) 6 capabilities; NRE for software updates and merges necessary to make increment 3 capabilities compatible with lot 12 aircraft; and NRE required to assess and incorporate changes necessary to address diminishing manufacturing source parts and equipment on previously delivered ECP 6 engineering for Lots 1-11 Navy P-8A aircraft in support of the Navy and the government of Australia. Work will be performed in Puget Sound, Washington, and is expected to be completed in April 2025. Fiscal 2023 aircraft procurement (Navy) funds in the amount of $8,305,628; and fiscal 2023 research, development, test and evaluation (Navy) funds in the amount of $1,044,932 will be obligated at the time of award, none of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.