Ultra Electronics Oceans Systems Inc., Braintree, Massachusetts, is awarded a $69,816,849 indefinite-delivery/indefinite-quantity contract containing firm-fixed-price provisions. This contract is for production of transducers and installation kits. Work will be performed in Quincy, Massachusetts (68%); and Hingham, Massachusetts (42%), and is expected to be completed by April 2026 (with the latest possible delivery taking place nine months thereafter). Fiscal 2021 other procurement (Navy) funds in the amount of $5,852,130 (95%); and fiscal 2021 operation and maintenance (Navy) funds in the amount of $321,867 (5%) will be obligated at time of award on the first delivery order, of which $321,867 will expire at the end of the current fiscal year. This contract was competitively procured using full and open competition via the beta.sam.gov website with one offer received. The Naval Undersea Warfare Center Division, Newport, Newport, Rhode Island, is the contracting activity (N66604-21-D-C100).