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Mark VI Patrol Boat
Place of origin	United States of America
Service history
In service	2015-present
Used by	United States Navy
Specifications
Mass	144,000 lb (65,000 kg) (72 tons)
Length	82 ft (25 m)
Width	22 ft (6.7 m)
Height	Draft: 4 ft (1.2 m)
Crew	10 + 8 passengers
Main armament	2 × Mk 38 Mod 2 25 mm chain guns
Secondary armament	various machine guns, grenade launchers, and guided missiles
Engine	5,200 bhp
Payload capacity	11,000 lb (5,000 kg)
Operational range	750 nmi (860 mi; 1,390 km) at 25 knots 690 nmi (790 mi; 1,280 km) at 30 knots
Maximum speed	up to 45 knots (52 mph; 83 km/h)

The Mark VI is a new class of patrol boat in service with the United States Navy.

History

The Mark VI patrol boat is built by SAFE Boats International and is the first patrol boat delivered to the U.S. Navy since the 1980s. It represents a shift in Navy focus from Cold War-era blue water engagements to placing importance on brown water littoral zone operations. Designed to replace the Mark V Special Operations Craft and other legacy craft, the Mark VI is larger, more survivable, and better equipped with modernized weapons, communications, and intelligence, surveillance and reconnaissance systems. The craft can perform missions including patrolling shallow areas, search-and-seizure operations, escort high-value shipping and fleet units in foreign ports, and support special operations forces. Safe Boats delivered the first 10 Mark VI craft to the Navy in August 2014; the U.S. Navy may purchase up to 48 Mark VI boats. Potential customers from the Middle East and Central and South America have also made inquiries about the vessel.

Coastal Riverine Group 2 took ownership of the first two of Mark VI patrol boats on 8 September 2015. Two were first deployed to the Arabian Gulf to support U.S. 5th Fleet operations out of Bahrain in April 2016, with four total to be allocated to the 5th Fleet.

Design

The Mark VI is 85 ft (26 m) long, significantly longer than previous classes of Navy patrol boats. It has a crew of 10 sailors and can carry 8 additional personnel. The interior is spacious, with berthing for the crew and shock-absorbing seats for other occupants; the seats and sound deadening berthing spaces and galley allow the crew to operate in high sea states in comfort. The boats are fully networked with a command, control, communication and computing, surveillance and intelligence (C4SI) suite for enhanced situational awareness, survivability, and multi-mission support; which includes flat screen monitors mounted throughout the ship, including at the seats for commandos. Payloads can be configured to fulfill missions ranging from mine hunting to defending against swarm boat attacks. Standard armament consists of two remote-controlled Mk 38 Mod 2 25 mm chain guns and six crewed M2 .50 caliber machine guns. Depending on mission needs, gun mounts can hold M240 machine guns, M134 miniguns, and Mk 19 grenade launchers. It is also planned to mount guided missiles such as the BGM-176B Griffin. Armor plating, able to withstand small-arms fire, is around key elements such as the engines and fuel tank. The aluminum-hulled Mark VI is powered by two diesel engines connected to water jets that propel it faster than 35 kn (40 mph; 65 km/h), with a maximum range of 600 nmi (690 mi; 1,100 km). The reconfigurable main aft cabin can hold payloads such as Navy SEAL operators or a medical facility. The rear deck and stern is able to launch and recover small boats, unmanned aerial vehicles (UAVs), and unmanned undersea vehicles (UUVs). Mark VI boats are able to be transported and deployed by larger Navy ships such as landing helicopter docks, amphibious transport docks, and landing ship docks enabling them to be carried and deployed anywhere in the world. Each Mark VI costs $15 million. The Mark VI is equipped with the MK50 Gun Weapon System (GWS), a shipboard version of the vehicle-mounted M153 CROWS remote turret that enables crewmen to use its camera and gun from the operator's station below deck.

Variant

The Coastal Command Boat (CCB) is a 'one-off' proto-type based on the Mk VI, delivered to the Navy in 2013.

See also

• Mark V Special Operations Craft
• Cyclone-class patrol ship

References

1. MSHIP Mark VI - Mshipco.com
2. ^ Navy Receives First New Patrol Boat - Nationaldefensemagazine.org, November 2014
3. ^ Mark VI Patrol Boat - AUSN.org, 31 March 2014
4. ^ The Navy's New Patrol Boat Wasn't Made by a Long Shot Inventor - BusinessWeek.com, 23 September 2014
5. ^ The Navy's Long Overdue Smart & Deadly Patrol Boat Has Arrived - Foxtrotalpha.jalopnik.com, 7 September 2014
6. CRG 2 Accepts the First Two of 12 MK VI Patrol Boats - Navy.mil, 8 September 2015
7. US Navy Patrol Boat Mark VI Debuts in Arabian Gulf - Defensenews.com, 14 April 2016
8. Army, Navy link up for sophisticated weapon install - Army.mil, 4 December 2015
9. http://www.navy.mil/submit/display.asp?story_id=79088
10. http://www.janes.com/article/40885/mk-vi-patrol-boat-promises-greater-reach-for-us-coastal-forces
11. http://www.defensemedianetwork.com/videos/safe-boats-international-65-foot-coastal-command-patrol-boat/

External links

MK VI Patrol Boat - NAVSEA.Navy.mil

• Equipment of the United States Navy
• Military boats