The Boeing Co., Seattle, Washington, is awarded a $13,540,626 modification (P00012) to a cost-plus-fixed-fee order (N0001917F2017) against a previously issued basic ordering agreement (N0001916G0001). This modification exercises an option to perform 24 modifications in support of the Increment Three Block One retrofit as well as the procurement, manufacture and assembly of 25 additional retrofit kits supporting engineering change five for existing  P8-A Poseidon aircraft. Work will be performed in Seattle, Washington, and is expected to be completed in December 2023. Fiscal 2022 aircraft procurement (Navy) funds in the amount of $13,540,626 will be obligated at 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.