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    JTF-Quartz Weapon System – USS San Diego (LPD 22) and USS Somerset (LPD 25)

    USS San Diego (LPD 22)

    Photo By Petty Officer 3rd Class Justin Schoenberger | 180129-N-BK384-199 PACIFIC OCEAN (Jan. 29, 2018) Sailors assigned to the amphibious...... read more read more

    INDIAN OCEAN

    12.22.2020

    Story by Bryan Franks 

    Joint Task Force-Quartz

    The USS San Diego (LPD 22) and USS Somerset (LPD 25) conduct maritime operation off the coast of Somalia under Joint Task Force – Quartz in support of Operation Octave Quartz Dec. 22. The mission of OOQ is to reposition U.S. Department of Defense personnel from Somalia to other locations in East Africa.
    Description
    Amphibious transport dock ships are warships that embark, transport and land elements of a landing force for a variety of expeditionary warfare missions.
    Features
    LPDs are used to transport and land Marines, their equipment, and supplies by embarked Landing Craft Air Cushion (LCAC) or conventional landing craft and amphibious assault vehicles (AAV) augmented by helicopters or vertical take-off and landing aircraft (MV 22). These ships support amphibious assault, special operations, or expeditionary warfare missions and serve as secondary aviation platforms for amphibious operations.
    Background
    The LPD 17 San Antonio class is the functional replacement for over 41 ships including the LPD 4 Austin class, LSD 36 Anchorage class, LKA 113 Charleston class, and LST 1179 Newport class amphibious ships. The newly designated LPD Flight II ships (formerly LX(R)) will be the functional replacement for the LSD 41/49 Whidbey Island Class. The San Antonio class provides the Navy and Marine Corps with modern, sea-based platforms that are networked, survivable, and built to operate in the 21st century, with the MV-22 Osprey, the upgraded Amphibious Assault Vehicle, and future means by which Marines are delivered ashore.
    Construction on USS San Antonio (LPD 17), the first ship of the class, commenced in June 2000 and was delivered to the Navy in July 2005. USS New York (LPD 21) was the first of three LPD 17class ships built in honor of the victims of the Sept. 11, 2001 terrorist attacks. The ship's bow stem was cast using 7.5 tons of steel salvaged from the World Trade Center. The Navy named the eighth and ninth ships of the class Arlington and Somerset, in honor of the victims of the attacks on the Pentagon and United Flight 93, respectively. Materials from those sites were also incorporated into the construction of each ship. USS Portland (LPD 27), the eleventh ship of the class, delivered in 2017. LPDs 28 and 29 are currently under construction at Huntington Ingalls Industries (HII) on the Gulf Coast. As the 12th and 13th San Antonio class ships, LPDs 28 and 29 will perform the same missions as the previous 11 ships of the class while incorporating technically feasible cost reduction initiatives and class lessons learned. In 2018 the Navy made the decision to transition to the LX(R) effort to a second flight of the LPD 17 design. LPD 30 will be the first of 13 planned LPD Flight II ships, for a total complement of 26 ships in the LPD 17 class.
    General Characteristics, San Antonio Class LPD Flights I and II
    Builder: Huntington Ingalls Industries
    Propulsion: Four sequentially turbocharged marine Colt-Pielstick Diesels, two shafts, 41,600 shaft horsepower
    Length: 684 feet
    Beam: 105 feet
    Displacement: Approximately 24,900 long tons (25,300 metric tons) full load
    Draft: 23 feet
    Speed: In excess of 22 knots (24.2 mph, 38.7 kph)
    Crew: Ship's Company: 383 Sailors and 3 Marines. Embarked Landing Force: Flight I: 699 with surge capacity of 800; LPD 28/29:650; Flight II: 631.
    Armament: Two Mk 46 30 mm Close in Guns, fore and aft; two Rolling Airframe Missile launchers, fore and aft: ten .50 caliber machine guns
    Aircraft: Launch or land two CH-53E Super Stallion helicopters or two MV-22 Osprey tilt rotor aircraft or up to four AH-1Z or UH-1Y or MH-60 helicopters
    Landing/Attack Craft: Two LCACs or one LCU; and 14 Amphibious Assault Vehicles

    NEWS INFO

    Date Taken: 12.22.2020
    Date Posted: 12.22.2020 03:48
    Story ID: 385582
    Location: INDIAN OCEAN

    Web Views: 1,512
    Downloads: 1

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