ERAPSCO, Joint Venture of Sparton and USSI, Columbia City, Indiana, is awarded an $181,878,811 firm-fixed-price modification (P00027) to a previously awarded indefinite-delivery/indefinite-quantity contract (N0001919D0032). This modification adds scope and increases the contract ceiling for the production of an additional 100,000 AN/SSQ-53, 16,000 AN/SSQ-101, and 10,000 AN/SSQ-62 production sonobuoys in support of annual training, peacetime operations and testing expenditures, and maintaining sufficient inventory to support the execution of major combat operations determined by the Naval Munitions Requirements Process for the Navy and Foreign Military Sales customers. Work will be performed in De Leon Spring, Florida (54%); and Columbia City, Indiana (46%), and is expected to be completed in September 2025. No funds will be obligated at the time of award; funds will be obligated on individual orders as they are issued. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.