Future US Navy USS Daniel Inouye DDG 118 Arleigh Burke-class destroyer completes acceptance trials

According to news published by the NAVSEA (Naval Sea Systems Command) on February 5, 2021, the future USS Daniel Inouye (DDG 118) Arleigh Burke-class guided missile destroyer Flight IIA for U.S. Navy successfully completed acceptance trials on February 4, 2021, after spending a day underway off the coast of Maine.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 The future USS Daniel Inouye (DDG 118) Arleigh Burke-class guided missile destroyer departs General Dynamics Bath Iron Works shipyard on February 3, 2021,  for acceptance trials. (Picture source NAVSEA)

U.S. Navy INSURV (Board of Inspection and Survey) inspected the ship during a series of demonstrations while pier side and underway. Many of the ship’s onboard systems, including navigation, damage control, mechanical and electrical systems, combat systems, communications, and propulsion applications, were tested to validate performance and met or exceeded Navy specifications.

Following delivery, Daniel Inouye will be the 37th Arleigh Burke (DDG 51) class destroyer to be delivered by BIW. The shipyard is also in production on the future Arleigh Burke-class destroyers Carl M. Levin (DDG 120), John Basilone (DDG 122), Harvey C. Barnum (DDG 124), Patrick Gallagher (DDG 127), and Flight III ships, Louis H. Wilson, Jr. (DDG 126), and William Charette (DDG 130), as well as the future Zumwalt-class destroyer, Lyndon B. Johnson (DDG 1002).

The USS Daniel Inouye DDG 118 was laid on 14 May 2018 and christened by Inouye's widow, Irene Hirano Inouye, on 22 June 2019. 

Daniel Inouye is a Flight IIA guided missile destroyer, equipped with the Aegis Baseline 9 Combat System, which includes Integrated Air and Missile Defense capability and enhanced Ballistic Missile Defense capabilities. This system delivers quick reaction time, high firepower, and increased electronic countermeasures capability against a variety of threats. She is the third of eight planned Flight IIA "technology insertion" ships, which will contain elements of the Flight III ships projected to begin with DDG-125.

The USS Daniel Inouye has a length overall of 156 m, a beam of 18 m, a draft of 9.3 m, and a displacement of 9,217 tons. The ship is powered by four General Electric LM 2500-30 gas turbines driving two shafts. She can reach a top speed of 30 knots (55.5 km/h) with a maximum cruising range of 4,400 nautical miles (8,149 km) at 20 knots (37 km/h).

The surveillance systems of the USS Daniel Inouye includes SPY-1D Phased Array Radar (Lockheed Martin)/AN/SPY-6 Air and Missile Defense Radar (Raytheon Company) and Aegis Combat System (Lockheed Martin), SPS-73(V) Navigation, SPS-67(V)3 Surface Search, 3 SPG-62 Illuminator, SQQ-89(V)6 sonar incorporating SQS-53C hull-mounted and SQR-19 towed array sonars used with Mark-116 Mod 7 ASW fire control system. 

The armament of the USS Daniel Inouye consists of two Mark-41 Vertical Launching System (VLS) with 96 Standard, Vertical Launch ASROC (Anti-Submarine Rocket) & Tomahawk ASM (Air-to-Surface Missile)/LAM (Loitering Attack Missile), one 5-in (127-mm)/54 Mark-45 naval gun, two CIWS (Close-In Weapon System), two Mark-32 triple 324-mm torpedo tubes for Mark-46 or Mark-50 ASW (Anti-Submarine Warfare) torpedos. 

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