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WMSL 750  
Initial Operational Capability (IOC): 8 May 2008
Total Production: 9
Unitary Cost: USD$285 million
Also Known As: Legend class, Maritime Security Cutter, Large, National Security Cutter and NSC
Origin: United States of America
Corporations: Lockheed Martin and Northrop Grumman Ship Systems*   (*) lead contractor
Parent System: Legend
Initial Operational Capability (IOC): 8 May 2008
Total Production: 9
Total Cost: USD$250 million
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Description: The Maritime Security Cutter, Large (WMSL), formerly known as the National Security Cutter (NSC) , is a highly capable, cutting-edge, world-class, long endurance cutter designed to replace aging cutters owned by the US Coast Guard. The Integrated Coast Guard Systems (ICGS), a Northrop-Grumman and Lockheed-Martin joint venture, is responsible for the execution of the program. The US Coast Guard Integrated Deepwater Systems program is the parent program for the WMSL cutter. The parent program envisages three classes of cutters to meet the US Coast Guard present and future requirements. Moreover, a new manned fixed-wing aircraft fleet, new and upgraded helicopters, and cutter- and land-based unmanned aerial vehicles (UAVs) are needed.

The Maritime Security Cutter shares design team, common systems, logistics and training with the Offshore Patrol Cutter (OPC) and the Fast Response Cutter (FRC). The WMSL will have an aft launch and recovery area for two rigid hull inflatable boats, a flight deck for manned and unmanned rotary wing aircraft and advanced command and control electronics. The 418-ft (128.3 meters) long and 4,000-t class ship will feature a CODAG (Combined Diesel and Gas) propulsion system. Besides, these ships will be provided with NBC detection and defense equipment as well as more powerful weapons, air and surface search radars and improved Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) capabilities.

General Electric Transportation's LM2500 gas turbine was chosen to drive the new US Coast Guard's Maritime Security Cutter Large (WMSL) on November 29, 2004 under Integrated Deepwater System (IDS) program. The contract was awarded by Detroit Diesel Corporation which is the prime contractor for the WMSL integrated propulsion system. The integrated propulsion system selected for the WMSL relies on a CODAG arrangement with a single GE LM2500 gas turbine and two MTU 20V1163 diesel engines. The power output is estimated at 48,960 shaft horsepower.

The US Coast Guard awarded a $11 billion, 20-year contract to Lockheed-Martin and Northrop-Grumman in June 2002 for Deepwater program. Despite the $11 billion contract, the total cost of this program could exceed $17 billion. Deepwater includes 91 (8 NSC, 25 OPC and 58 FRC) new-built cutters, 35 fixed-wing aircraft, 34 helicopters, 76 UAVs, 93 upgraded helicopters and 49 upgraded cutters. Up to eight National Security Cutters are expected to be delivered to the Coast Guard from 2008 through 2017.

In June 2004, the ICGS team received the contract for the first WMSL to be manufactured at Northrop Grumman Ship Systems Ingalls Operations, Pascagoula, Mississippi. Construction on the first ship, named NSC 1, began in September 2004. On 18 January 2005, the US Coast Guard awarded ICGS a further contract to begin construction and delivery of the second WMSL. The WMSL 750, formerly NSC 1, had its keel laid on March 29, 2005. The keel laying ceremony of the second National Security Cutter (WMSL 751) was held at Northrop-Grumman Pascagoula facilities on September 11, 2006. The first high endurance cutter (WMSL 750) was christened Bertholf at Northrop Grumman's shipyard on November 11, 2006. It was delivered to the US Coast Guard in 2007 and is due for commissioning during 2008.

WMSL 750 Specifications

Dimensions
Length: 418 foot (127 meter)
Main Gun Caliber: 57 millimeter
Performance
Max Range: 12,000 nautical mile (22,224 kilometer)
Power
Total Combined Power: 48,960 shp (36,524 kW)
Speed
Top Speed: 28 knot (52 kph)
Time
Mission Endurance: 60 day (1,440 hour)
Weight
Full Displacement: 4,480 ton
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

WMSL 750 News

There are 15 news between
30 Jun 2004 and 28 Feb 2017
1  2  
Tuesday, February 28, 2017Rolls-Royce Engines to Power US Coast Guard's Offshore Patrol Cutters
Tuesday, December 16, 2014Unmanned MQ-8B Fire Scout Flies off Coast Guard Ship for First Time
Wednesday, January 12, 2011Lockheed Martin Awarded C4ISR Contract for US Coast Guard's Fourth National Security Cutter
Tuesday, November 30, 2010US Coast Guard Awards Northrop Grumman Construction Contract for Fourth National Security Cutter
Wednesday, February 10, 2010Northrop Grumman Awarded US Navy Contract for AN/SPQ-9B Shipboard Multi-Mission Radars
Friday, August 15, 2008EADS Provides Lockheed Martin with TRS-3D Naval Radar for US Coast Guard Deepwater Program
Monday, August 4, 2008US Coast Guard First Legend Class Cutter Commissioned
Thursday, May 8, 2008US Coast Guard Takes Delivery of First National Security Cutter
Thursday, February 14, 2008First National Security Cutter Completes Builder Trials
Friday, December 7, 2007First US Coast Guard National Security Cutter Begins Sea Trials

Operators & Related Equipment


OperatorsItems
United States of America9
YearHoldings
20176
20144
20123
20102
20081

Grand Total 91
Cannons & Gear
Mk 110 Mod 0x1
Propulsion Systems
LM2500x1
Sensor Systems
AN/SPQ-9Bx1
TRS-3Dx1

WMSL 750 Ship Listing


SerialNameStatusLaunch DateCommissionDecommission
WMSL 750 USCGC Bertholf11 Nov 20064 Aug 2008-
WMSL 751 USCGC Waesche26 Jul 20087 May 2010-
WMSL 752 USCGC Stratton23 Jul 201031 Mar 2012-
WMSL 753 USCGC Hamilton10 Aug 20136 Dec 2014-
WMSL 754 USCGC James3 May 20148 Aug 2015-
WMSL 755 USCGC Munro12 Sep 20151 Apr 2017-
WMSL 756 USCGC Kimball4 Mar 20172018-
WMSL 757 USCGC Midgett-2019-
WMSL 758 USCGC Stone-2020-

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