USS Daniel Inouye DDG 118 Arleigh Burke-class destroyer for US Navy completes sea trials.

According to information published by the U.S. Navy on December 22, 2020, the future USS Daniel Inouye (DDG 118) Arleigh Burke-class destroyer for U.S. Navy successfully completed Builder’s trials on December 19, 2020, after spending four days at sea off the coast of Bath, Maine.
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The future USS Daniel Inouye (DDG 118) returns to the General Dynamics Bath Iron Works shipyard after successfully completing Builder's Trials on Dec. 19, 2020. (Picture source U.S. Navy)

The USS Daniel Inouye (DDG-118) is an Arleigh Burke-class destroyer under construction for the United States Navy. The keel of the DDG 118 was laid on 14 May 2018 and christened on 22 June 2019.

Builder's Trials consist of a series of in-port and at-sea demonstrations that allow the shipbuilder, General Dynamics Bath Iron Works (BIW), and the Navy to assess the ship's systems and its readiness for delivery.

The future USS Daniel Inouye will return to sea to conduct Acceptance Trials with the Navy’s Board of Inspection and Survey early next year. During Acceptance Trials, all systems will be inspected and evaluated to ensure quality and operational readiness prior to the Navy accepting delivery.

The USS Daniel Inouye (DDG 118) is a Flight IIA of Arleigh Burke-class 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.

The Flight IIA design includes the addition of the Kingfisher mine-avoidance capability, a pair of helicopter hangars which provide the ability to deploy with two organic Lamps MK III MH-60 helicopters, blast-hardened bulkheads, zonal electrical distributed system, and advanced networked systems. Additionally, DDGs 91-96 provide accommodations for the A/N WLD-1 Remote Mine-hunting System. The first Flight IIA, USS Oscar Austin (DDG 79), was commissioned in August 2000.

The USS Daniel Inouye is powered by four General Electric LM2500-30 gas turbines. She can reach a top speed of 30 knots (56 km/h; 35 mph) with a maximum cruising range of 4,400 nautical miles (8,100 km) at 20 knots (37 km/h; 23 mph). As Flight IIA version, the ship has a length of 155 m and a displacement of 9,300 tons. 

The USS Daniel Inouye is armed with 32 cells, 64 cell Mk 41 vertical launch systems, 96 RIM-66 SM-2 surface-to-air missile, BGM-109 Tomahawk long-range cruise missile or RUM-139 VL-Asroc, anti-submarine missiles, one 5 in (130 mm)/62 naval gun, two 25 mm Mk 38 automatic cannons, four .50 cal (12.7 mm) heavy machine guns, two Mk 46 triple torpedo tubes and one 20mm Phalanx CIWS (Close-In Weapon System).