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Legend-class cutter
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Legend-class cutter
The Legend-class cutter, also known as the National Security Cutter (NSC) and Maritime Security Cutter, Large, is the largest active patrol cutter class of the United States Coast Guard, with the size of a frigate. Entering into service in 2008, the Legend class is the largest of several new cutter designs developed as part of the Integrated Deepwater System Program.
These vessels can be used for a variety of tasks, including environmental protection, search and rescue, fisheries protection, ports, waterways, and coastal security, counterterrorism activities, law enforcement, drug interdiction, defense operations, and other military operations, including assigned naval warfare tasks with the U.S. Navy.
The Legend-class cutters are the second-longest of all U.S. Coast Guard cutters, behind the research icebreaker Healy, and replaced the 12 Hamilton-class cutters in service. These cutters are envisioned by the Coast Guard as being able to undertake the entire range of the high-endurance cutter roles, with additional upgrades to make it more of an asset to the Department of Defense during declared national emergency contingencies. To facilitate intercept missions, the Legend class can carry and launch the Short Range Prosecutor and the Long Range Interceptor rigid-hulled inflatable boats (RHIBs). The cutters are configured to survive in low-threat environments, such as an enemy having a poorly equipped military, some coastal patrol craft, and few to no anti-ship cruise missiles.
Operations in this environment can be general defense operations, including theater security, port protection, ship escort, anti-piracy, and maritime interception operations. The cutters can survive in medium-threat environments, which can include a fairly well equipped military of ships and aircraft with weapons and radar coverage well offshore, higher numbers of anti-ship cruise missiles, and a possible submarine threat. Operations in this threat environment could include defense operations, naval surface fire support, and the evacuation of noncombatants. The cutters are not expected to survive in a high-threat environment with their current configuration.
The cutter has a rear-launching ramp, capable of launching and retrieving the two aft-stored RHIBs while underway. The NSC is built to about 90% military standards. The NSC has a steel hull and steel superstructure with steel bulkheads. Ballistic protection is provided for the main gun. The cutter's crew-served weapons can have steel ballistic shields attached for protection. The NSC is equipped with a state-of-the-art damage-control system, that contributes to the ship's survivability.
The NSC is designed to U.S. Navy damage stability criteria and to level-1 survivability standards. Most of the NSC design is compatible with ABS naval vessel rules. The NSC has a degaussing capability. The cutters have a reduced radar cross-section, which gives the cutters a higher degree of stealth over the past cutters. The NSC uses a modified version of the same stealthy mast design as the Arleigh Burke-class destroyers.
Legend-class cutters have increased data exchange bandwidth. The Hensoldt, formerly EADS North America, TRS-3D radar system provides three-dimensional air and surface search functions, and is used in the LCS program and as the German Korvette 130 program. The cutters are equipped with the AN/SLQ-32(V)2 electronic warfare system, used in the DDG-51 class. The cutters AN/SLQ-32B(V)2 system is to be upgraded under the Surface Electronic Warfare Improvement Program (SEWIP).
The Legend class is equipped with the same 220 rpm Bofors 57 mm gun as mounted on the U.S. Navy's littoral combat ships and Constellation-class frigates. Guided 57 mm ammunition is being developed for the Mk 110 for the Navy and Coast Guard, including for use on the National Security cutters. The missile defense duties are handled by the Mk 53 Nulka decoy systems, the Mk 36 SRBOC countermeasure systems also used on the FFG-7 and CG-47 programs, and the Phalanx CIWS. The combination of the Mk 110 and the Phalanx gives the cutters anti-surface capability, limited air-defense capability, and the capability to provide naval gunfire support.
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Legend-class cutter AI simulator
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Legend-class cutter
The Legend-class cutter, also known as the National Security Cutter (NSC) and Maritime Security Cutter, Large, is the largest active patrol cutter class of the United States Coast Guard, with the size of a frigate. Entering into service in 2008, the Legend class is the largest of several new cutter designs developed as part of the Integrated Deepwater System Program.
These vessels can be used for a variety of tasks, including environmental protection, search and rescue, fisheries protection, ports, waterways, and coastal security, counterterrorism activities, law enforcement, drug interdiction, defense operations, and other military operations, including assigned naval warfare tasks with the U.S. Navy.
The Legend-class cutters are the second-longest of all U.S. Coast Guard cutters, behind the research icebreaker Healy, and replaced the 12 Hamilton-class cutters in service. These cutters are envisioned by the Coast Guard as being able to undertake the entire range of the high-endurance cutter roles, with additional upgrades to make it more of an asset to the Department of Defense during declared national emergency contingencies. To facilitate intercept missions, the Legend class can carry and launch the Short Range Prosecutor and the Long Range Interceptor rigid-hulled inflatable boats (RHIBs). The cutters are configured to survive in low-threat environments, such as an enemy having a poorly equipped military, some coastal patrol craft, and few to no anti-ship cruise missiles.
Operations in this environment can be general defense operations, including theater security, port protection, ship escort, anti-piracy, and maritime interception operations. The cutters can survive in medium-threat environments, which can include a fairly well equipped military of ships and aircraft with weapons and radar coverage well offshore, higher numbers of anti-ship cruise missiles, and a possible submarine threat. Operations in this threat environment could include defense operations, naval surface fire support, and the evacuation of noncombatants. The cutters are not expected to survive in a high-threat environment with their current configuration.
The cutter has a rear-launching ramp, capable of launching and retrieving the two aft-stored RHIBs while underway. The NSC is built to about 90% military standards. The NSC has a steel hull and steel superstructure with steel bulkheads. Ballistic protection is provided for the main gun. The cutter's crew-served weapons can have steel ballistic shields attached for protection. The NSC is equipped with a state-of-the-art damage-control system, that contributes to the ship's survivability.
The NSC is designed to U.S. Navy damage stability criteria and to level-1 survivability standards. Most of the NSC design is compatible with ABS naval vessel rules. The NSC has a degaussing capability. The cutters have a reduced radar cross-section, which gives the cutters a higher degree of stealth over the past cutters. The NSC uses a modified version of the same stealthy mast design as the Arleigh Burke-class destroyers.
Legend-class cutters have increased data exchange bandwidth. The Hensoldt, formerly EADS North America, TRS-3D radar system provides three-dimensional air and surface search functions, and is used in the LCS program and as the German Korvette 130 program. The cutters are equipped with the AN/SLQ-32(V)2 electronic warfare system, used in the DDG-51 class. The cutters AN/SLQ-32B(V)2 system is to be upgraded under the Surface Electronic Warfare Improvement Program (SEWIP).
The Legend class is equipped with the same 220 rpm Bofors 57 mm gun as mounted on the U.S. Navy's littoral combat ships and Constellation-class frigates. Guided 57 mm ammunition is being developed for the Mk 110 for the Navy and Coast Guard, including for use on the National Security cutters. The missile defense duties are handled by the Mk 53 Nulka decoy systems, the Mk 36 SRBOC countermeasure systems also used on the FFG-7 and CG-47 programs, and the Phalanx CIWS. The combination of the Mk 110 and the Phalanx gives the cutters anti-surface capability, limited air-defense capability, and the capability to provide naval gunfire support.
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