USS Frank E. Petersen Jr.

History
USS Frank E. Petersen Jr. in August 2021
United States
Name	Frank E. Petersen Jr.
Namesake	Frank E. Petersen
Awarded	3 June 2013
Builder	Ingalls Shipbuilding
Laid down	21 February 2017
Launched	13 July 2018
Sponsored by	Alicia J. Petersen, D’Arcy Neller
Christened	6 October 2018
Acquired	30 November 2021
Commissioned	14 May 2022
Homeport	Pearl Harbor
Identification	Hull number: DDG-121
Motto	Into the Tiger's Jaw
Status	In active service
Badge
General characteristics
Class & type	Arleigh Burke-class destroyer
Displacement	9,217 tons (full load)
Length	513 ft (156 m)
Beam	66 ft (20 m)
Propulsion	4 × General Electric LM2500 gas turbines 100,000 shp (75,000 kW)
Speed	31 knots (57 km/h; 36 mph)
Complement	380 officers and enlisted
Armament	Guns: 1 × 5-inch (127 mm)/62 Mk 45 Mod 4 (lightweight gun) 1 × 20 mm (0.8 in) Phalanx CIWS 2 × 25 mm (0.98 in) Mk 38 machine gun system 4 × 0.50 inches (12.7 mm) caliber guns Missiles: 1 × 32-cell, 1 × 64-cell (96 total cells) Mk 41 vertical launching system (VLS): RIM-66M surface-to-air missile RIM-156 surface-to-air missile RIM-174A standard ERAM RIM-161 anti-ballistic missile RIM-162 ESSM (quad-packed) BGM-109 Tomahawk cruise missile RUM-139 vertical launch ASROC Torpedoes: 2 × Mark 32 triple torpedo tubes: Mark 46 lightweight torpedo Mark 50 lightweight torpedo Mark 54 lightweight torpedo
Aircraft carried	2 × MH-60R Seahawk helicopters
Aviation facilities	Double hangar and helipad

USS Frank E. Petersen Jr. (DDG-121) is an Arleigh Burke-class (Flight IIA Technology Insertion) Aegis guided missile destroyer in the United States Navy. The ship was named for United States Marine Corps Lieutenant General Frank E. Petersen Jr. the first African-American Marine Corps aviator and the first African-American Marine Corps general. The contract for the ship, along with the name, was first announced in a press release from Huntington Ingalls Industries on 30 March 2016.