Cutter

America First Responder

Ingalls Shipbuilding provides the U.S. Coast Guard with the advanced cutters they need as America’s maritime first responder. Built solely at Ingalls Shipbuilding, Legend-class National Security Cutters (NSC) are the flagships of the U.S. Coast Guard. At sea, National Security Cutters are tasked with performing a wide variety of missions, including maritime security, environmental protection and drug interdiction.
Ingalls Shipbuilding provides the U.S. Coast Guard with the advanced cutters they need as America’s maritime first responder. Built solely at Ingalls Shipbuilding, Legend-class National Security Cutters (NSC) are the flagships of the U.S. Coast Guard. They are the largest and most technologically advanced ships in the Coast Guard’s fleet, with capabilities for maritime homeland security, law enforcement and national security missions.

At sea, National Security Cutters are tasked with performing a wide variety of missions, including maritime security, environmental protection and drug interdiction.

NSC Facts

The National Security Cutter features enhanced capabilities that will allow the class to replace 12 aging 378‐foot Hamilton-class high-endurance cutters that have been in service for 40 years. At 418 feet long, an NSC has a maximum speed of 28 knots and range of 12,000 nautical miles. The NSC features advanced command, control, communication, computers, intelligence, surveillance and reconnaissance equipment, as well as aviation support facilities and stern boat launch capability. Technological advancements will also allow a smaller crew to operate an NSC, reducing manpower requirements. A NSC also carries enough food and consumables to stay at sea for 60 days and has the ability to conduct vertical replenishment at sea and to refuel at sea in order to extend patrols.

A U.S. Coast Guard National Security Cutter is equipped with:
  • MK-110 57mm turret mounted gun
  • Phalanx 20mm Close-In Weapon System (CIWS)
  • 3D Air Search, SPQ-9B Fire Control, X and S band radars
  • MK-53 NULKA/SRBOC Decoy Launching System
  • SLQ-32 Electronic Support Measures (ESM)
  • Secure Compartmented Information Facility (SCIF)
  • Dual Level 1/Class 1 helicopter hangars
  • Stern launch/recovery system for mission boats

Design & Construction

Ingalls Shipbuilding is the sole builder of Legend-class National Security Cutters for the U.S. Coast Guard. The National Security Cutter is the first new design for the service in 20 years. Ingalls Shipbuilding builds National Security Cutters using highly pre-outfitted grand blocks over a three year construction span. Lessons learned during construction of each ship in the class has led to significant design and build strategy improvements, improved quality, reduced build time and increased savings for follow-on ships.

The NSC program has matured in its serial production at Ingalls Shipbuilding since the contract was first awarded and construction began in 2004.

Delivered Ingalls-built National Security Cutters

Ingalls has delivered 9 Legend-class destroyers to the U.S. Coast Guard:
Bertholf (WMSL 750)

Waesche (WMSL 751)

Stratton (WMSL 752)

Hamilton (WMSL 753)

James (WMSL 754)

Munro (WMSL 755)

Kimball (WMSL 756)

Midgett (WMSL 757)

Stone (WMSL 758)

5/4/2008 11/6/2009 9/2/2011 11/25/2014 6/5/2015 12/18/2016 9/19/2018 5/1/2019 11/9/2020
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Hamilton Nsc570 1
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Kimball (WMSL 756) & Midgett (WMSL 757) were commissioned in a dual ceremony in August 2019.

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Note: The six minute video that begins the ceremonial keel laying for Arkansas (SSN 800) includes copyrighted materials from HII/Newport News Shipbuilding and others.

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