Northrop Grumman Systems Corp., Annapolis, Maryland, is being awarded a not-to-exceed $14,761,000 value cost-plus-fixed-fee, firm-fixed-price contract for the design, development, fabrication, testing, production and delivery of AN/AQS-24C mine hunting sonar systems. The purpose of this effort is to meet an urgent operational need for volume search minehunting capability deployed from the MH-53E Sea Dragon helicopter. The AN/AQS-24C system is a modification to the AN/AQS-24B configuration, providing high-speed capability to detect and classify volume (moored) mines while simultaneously hunting bottom mines, and will be deployed from the MH-53E Sea Dragon helicopter. The AN/AQS-24C system will integrate ahead-looking topographic large area survey volume search sonar and its associated software into operational AN/AQS-24B systems. Work will be performed in Annapolis, Maryland (93 percent); Salt Lake City, Utah (5 percent); Poway, California (1 percent); and Lawrenceville, Georgia (1 percent), and is expected to be completed by Dec. 31, 2016. Fiscal 2014 research, development, test and evaluation and fiscal 2015 other procurement (Navy) funding in the amount of $7,031,000 will be obligated at time of award. Contract funds in the amount of $5,139,000 will expire at the end of the current fiscal year. This contract was not competitively procured in accordance with FAR 6.302-1(a)(2)(ii) – only one responsible source and no other supplies or services will satisfy agency requirements. The Naval Sea Systems Command Washington, District of Columbia, is the contracting activity (N00024-15-C-6320).