Wednesday, December 1, 2021

BAE Systems’ 57mm gun to equip US Navy’s next-generation frigate

An advanced 57mm naval artillery gun built by BAE Systems has been selected for the U.S. Navy’s next-generation frigate, the Constellation class.

Under a $26 million contract awarded by the Naval Air Systems Command will acquire the new fully-automatic 57mm Mk 110 naval gun (internationally known as the Bofors’ 57Mk3) to equip the next class of U.S. Navy’s destroyer.

The contract, awarded earlier this month, includes engineering support and calls for two Mk 110s for the USS Constellation (FFG 62) and USS Congress (FFG 63). The new Constellation class of multi-mission guided-missile frigates is designed to operate in blue water and in the littorals, for an increased forward naval presence.

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The Mk 110 gun system is the deck gun of choice for the Constellation class. It is a multi-mission, medium-caliber shipboard weapon, effective against air, surface, or ground threats without requiring multiple round types. The system is capable of firing up to 220 rounds per minute at an effective range of more than nine nautical miles using BAE Systems’ six-mode programmable, pre-fragmented, and proximity-fused (3P) ammunition.

Artist rendering

“The selection of the Mk 110 for the U.S. Navy’s Constellation class frigates signifies confidence in the gun system and its ability to meet current and future needs in shipboard defense,” said Brent Butcher, vice president of the weapon systems product line at BAE Systems “The Mk 110 gun system provides this next-generation frigate with the continued performance that our surface fleet has come to expect from its intermediate caliber guns.”

This contract also includes providing a Mk 110 system to the U.S. Coast Guard’s third Argus Class Offshore Patrol Cutter, USCGC Ingham. Deliveries are expected to begin in 2023 under the contract with Naval Sea Systems Command Integrated Warfare Systems 3C (NAVSEA IWS).

The 57mm Mk 110 is currently in service on the Navy’s Littoral Combat Ship and the U.S. Coast Guard’s National Security Cutter. To date, BAE Systems is providing 39 Mk 110 guns to the Navy and 15 to the Coast Guard. Worldwide, 103 Mk 110/57 Mk 3 naval gun systems are under contract with nine nations.

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About this Author

Dylan Malyasov
U.S. defense journalist and commentator. Aviation photographer. Dylan leads Defence Blog's coverage of global military news, focusing on engineering and technology across the U.S. defense industry.

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