Serco Inc., Herndon, Virginia, is awarded a $64,411,044 firm-fixed price, cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract (N00174-22-D-0006) for the Close-In Weapons System (CIWS) Alteration Installation Team (AIT). This contract provides support in performing the functions of an alteration installation team with the installation of ship alterations, ship change documents, and ordnance alterations as related to the CIWS on Navy, Army, Coast Guard and Foreign Military Sales vessels. Work will be performed in Norfolk, Virginia (41%); San Diego, California (30%); Everett, Washington (6%); Mayport, Florida (6%); Pearl Harbor, Hawaii (5%); and various overseas ports (12%), and is expected to be completed January 2027. Fiscal 2022 weapon procurement (Navy) funds in the amount of $1,000 will be obligated at time of award, of which none will expire at the end of the current fiscal year. The Naval Surface Warfare Center Indian Head Division, Indian Head, Maryland, is the contracting activity.