Lockheed Martin Sippican Inc., Marion, Massachusetts, is awarded a $105,668,584 firm-fixed-price modification to previously-awarded contract N00024-16-C-6412 to exercise options for the production of MK 48 Mod 7 guidance and control sections and MK 48 Mod 7 Common Broadband Advanced Sonar System kits. This modification is in support of the MK54 MOD 7 heavyweight torpedo program. Work will be performed in Syracuse, New York (60%); Clearwater, Florida (25%); Braintree, Massachusetts (10%); and Marion, Massachusetts (5%), and is expected to be completed by December 2025. Fiscal 2021 weapons procurement (Navy) in the amount of $105,668,584 will be obligated at time of award and will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.