The Boeing Co., Huntington Beach, California, is awarded a $17,343,616 cost-plus-incentive-fee and cost-plus-fixed-fee level of effort contract modification (P00012) to a previously awarded and announced contract (N00030-21-C-6002) for the U.S. and United Kingdom to provide Strategic Weapon System Trident II (D5) Inertial Navigation equipment technical engineering support services. Work will be performed at Huntington Beach, California (63%); and Heath, Ohio (13%), along with field engineering conducted at Puget Sound, Washington (4%); Heath, Ohio (4%); Mitchell Field, New York (4%); Norfolk, Virginia (4%); Kings Bay, Georgia (4%); Port Canaveral, Florida (2%); and Faslane, Scotland (2%). Work is expected to be completed Sept. 30, 2022 (inclusive of all option periods). Fiscal 2022 operation and maintenance (Navy) funds in the amount of $17,343,616 are anticipated to be available and will be obligated as they become available via contract modification. No funds will expire at the end of the current fiscal year. This contract was a sole-source acquisition in accordance with 10 U.S. Code 2304(c)(1) and (4). Strategic Systems Programs, Washington, D.C., is the contracting activity.