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NavSource Online: Amphibious Photo Archive


Contributed by Wolfgang Hechler

USS Portland (LPD-27)


San Antonio Class Amphibious Transport Dock:
  • Laid down, 2 August 2013, at Ingalls Shipbuilding, Pascagoula, MS.
  • Launched, 12 February 2016
  • Christened, 23 May 2016
  • Successfully completed Acceptance Trials, 18 August 2017
  • Delivered to the Navy, 18 September 2017
  • Scheduled commissioning date, 21 April 2018
    Specifications:
    Displacement 25,000 t.(fl)
    Length 684'
    Beam 105'
    Draft 23 ft.
    Speed 22 kts.
    Complement 33 Officers, 411 Enlisted
    Troop Accommodations 66 Officers, 625 Enlisted
    Mission Systems
    Vehicles/Cargo (Net): Three Vehicle Decks (2323 sq m)
    Two Cargo/Ammo Magazines (708 cu m)
    Cargo Fuel, JP-5 (1190 cu m) , MOGAS (38 cu m)
    Two LCACs
    Medical
    Two Operating Rooms
    24 Person Hospital Ward
    100 Casualty Overflow Capacity:
    Aviation Facilities
    Hangar - "O" Level, Maintenance Facilities for; One CH-53E, or Two CH-46s, or One MV-22, or Three UH/AH-1s
    Landing - Two CH-53s, or Four AH/UH-1s, or Four CH-46s, or Two MV-22s, or One AV-8B Harrier:
    Main Propulsion
    4 - Medium Speed Turbocharged Marine Diesels
    2 - Shafts
    2 - Single Reversing Reduction Gears
    2 - Inboard Rotating (top) Fixed Pitch Propellers
    Electric Plant
    5 - 2500 KW Ship Service Marine Diesel Generators
    5 - Main Ship Service 60 Hz SWBS
    3 - Ship Service 400 Hz SWBS
    3 - 60 to 400 Hz solid State Frequency changers
    Zonal 60 Hz Power distribution system
    Advanced Degaussing System
    Auxiliaries
    7 - 700 KW Non-CFC Air conditioning Plants
    5 - 12000 GPD Reverse Osmosis Desalination Plants
    10 - 1000 GPM Navy Standard Firepumps
    2 - HP Air Compressors
    3 - LP Air Compressors
    3 - Deballast Air Compressors
    Navigation
    Digital Flux Gate Magnetic Compass
    AN/WSN-7(V)1 Inertial Navigation System
    AN/WQN-2 Doppler Sonar Velocity Log System
    AN/UQN-4A Sonar Sounding Set, Dead Reckoning System
    Navigation Telex System
    AN/SSN-6 NAVSSI
    Armament
    1 - MK 41, 16 Cell VLS, (Space & Weight)
    2 - MK 31 Mod 0 RAM Launchers
    2 - MK 46 Mod 1 30mm Machine Guns
    2 - MK 26 Mod 17 .50 Cal Machine Guns
    Command & Control
    AN/SPQ-12(V) Radar Display Dist. Distribution System
    MK 2 SSDS
    AN/USQ-119C(V)27 JMCIS
    AN/KSQ-1 Amphibious Assault Direction System
    MK 91, 2 Channel MFCS
    AN/USG-2 CEC
    Radar Systems
    AN/SPS-48E
    AN/SPQ-9B
    AN/SPS-73
    EW & Decoy Systems
    AN/SLQ-25A NIXIE
    AN/SLQ-32Q(V)2
    MK 36 SRBOC
    MK 53 / NULKA

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    Portland 183k During the Keel Authentication Ceremony for Portland (LPD-27), 2 August 2013. Bonnie Amos, wife of Commandant of the Marine Corps Gen. James Amos, and ship sponsor, looks at the ceremonial keel plate with her initials on it that will remain with the ship during its naval service.
    US Navy photo # 130802-N-ZZ999-001 PASCAGOULA, Miss. (Aug. 2, 2013) courtesy of Huntington Ingalls Industries, Inc. by Lance Davis.
     
    Portland 463k Portland (LPD-27) on the builders ways, at Ingalls Shipbuilding, Pascagoula, MS.
    Photo courtesy Ingalls Shipbuilding
    USS Portland Commissioning Committee
    Portland 1020k Portland (LPD-27) launch, 9 April 2016, at Ingalls Shipbuilding, Pascagoula, MS.
    Photo courtesy Ingalls Shipbuilding
    Tommy Trampp
    Portland 199k Portland (LPD-27) running her first set of sea trials in the Gulf of Mexico. Ingalls' test and trials team spent four days operating the 11th San Antonio-class ship and demonstrating its systems.
    US Navy Photo # 170703-N-N0101-001 GULF OF MEXICO (July 3, 2017), by Lance Davis
    Lee Wahler
    Portland 205k Portland (LPD-27) moored pierside at Huntington Ingalls Industries, Pascagoula, MS., 16 September 2017. Portland was moored forward of Tripoli (LHA-7) during that ship's christening ceremony, which is the reason for the red, white and Blue bunting. Photo by Dale Hargrave

    There is no DANFS history available for USS Portland (LPD-27) at NavSource
    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    USS Portland Commissioning Committee
    Navy Fact File - Amphibious Transport Dock - LPD
    Federation of American Scientists, Military Analysis Network, US Navy Ships
    Back To The Navsource Photo Archives Main Page Back To the Amphibious Ship Type Index Back To The Amphibious Transport Dock (LPD) Photo Index
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    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 22 September 2017