Arleigh-Burke class USS Ralph Johnson joins US Navy fleet in Japan.

According to information published by U.S. Navy on October 3, 2021, the Arleigh Burke-class guided-missile destroyer, USS Ralph Johnson (DDG 114) arrived to its new forward-deployed location in Yokosuka.
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Flight IIA Arleigh Burke-class destroyer USS Ralph Johnson (Picture source: U.S. Navy)

USS Ralph Johnson (DDG-114) is an Arleigh Burke-class destroyer of the United States Navy. Ralph Johnson is the 64th ship of the class and was commissioned on 24 March 2018.

USS Ralph Johnson is the 65th Arleigh Burke-class destroyer to be commissioned, and the third and last of the DDG 51 Flight IIA restart ships to be commissioned. Flight IIA of the Arleigh Burke-class, authorized in the fiscal year 1994, was a redesign that incorporated alterations for littoral (coastal) warfare on a hull lengthened by six feet over Flight I and II ships.

USS Ralph Johnson is powered by gas turbine propulsion. Employing four General Electric LM 2500-30 gas turbines to produce 100,000 total shaft hp via a dual-shaft design, Arleigh Burke-class destroyers are capable to reach a maximum speed of 35 knots in open seas.

USS Ralph Johnson is armed with one 5-inch (127 mm)/62 caliber Mk.45 Mod. 4 naval gun, two 25mm Mk.38 automatic cannons, four .50 cal (12.7 mm) machine guns, one 20mm Phalanx CIWS (Close-In Weapon System), two Mk.32 triple torpedo tubes for Mk.46 torpedo and 96-cell Mk.41 VLS (Vertical Launching System) able to fire RIM-66 Standard medium-range surface-to-air Missile 2, BGM-109 Tomahawk long-range cruise missile and RUM-139 VL-ASROC anti-submarine missiles.