USS O'Kane

History
USS O’Kane (DDG-77), at Pearl Harbor on 7 February 2005
United States
Name	O'Kane
Namesake	Richard O'Kane
Ordered	20 July 1994
Builder	Bath Iron Works
Laid down	8 May 1997
Launched	28 March 1998
Acquired	19 May 1999
Commissioned	23 October 1999
Homeport	San Diego
Identification	MMSI number: 338999000 Callsign: NOKN Hull number: DDG-77
Motto	A Tradition of Honor
Status	in active service
Badge
General characteristics
Class & type	Arleigh Burke-class destroyer
Displacement	8,637 long tons (8,776 t) (Full load)
Length	505 ft (154 m)
Beam	59 ft (18 m)
Draft	31 ft (9.4 m)
Installed power	4 × General Electric LM2500-30 gas turbines 100,000 shp (75,000 kW)
Propulsion	2 × shafts
Speed	In excess of 30 kn (56 km/h; 35 mph)
Range	4,400 nmi (8,100 km; 5,100 mi) at 20 kn (37 km/h; 23 mph)
Complement	33 commissioned officers 38 chief petty officers 210 enlisted personnel
Sensors & processing systems	AN/SPY-1D PESA 3D radar (Flight I, II, IIA) AN/SPY-6(V)1 AESA 3D radar (Flight III) AN/SPS-67(V)3 or (V)5 surface search radar (DDG-51 – DDG-118) AN/SPQ-9B surface search radar (DDG-119 onwards) AN/SPS-73(V)12 surface search/navigation radar (DDG-51 – DDG-86) BridgeMaster E surface search/navigation radar (DDG-87 onwards) 3 × AN/SPG-62 fire-control radar Mk 46 optical sight system (Flight I, II, IIA) Mk 20 electro-optical sight system (Flight III) AN/SQQ-89 ASW combat system: AN/SQS-53C sonar array AN/SQR-19 tactical towed array sonar (Flight I, II, IIA) TB-37U multi-function towed array sonar (DDG-113 onwards) AN/SQQ-28 LAMPS III shipboard system
Electronic warfare & decoys	AN/SLQ-32 electronic warfare suite AN/SLQ-25 Nixie torpedo countermeasures Mk 36 Mod 12 decoy launching systems Mk 53 Nulka decoy launching systems Mk 59 decoy launching systems
Armament	Guns: 1 × 5-inch (127 mm)/54 mk 45 mod 1/2 (lightweight gun) 2 × 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: 2 × Mk 141 Harpoon anti-ship missile launcher 1 × 29-cell, 1 × 61-cell (90 total cells) Mk 41 vertical launching system (VLS): RIM-66M surface-to-air missile RIM-156 surface-to-air missile RIM-161 anti-ballistic missile 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	1 × Sikorsky MH-60R

USS O'Kane (DDG-77) is the 27th Arleigh Burke-class (Flight II) Aegis guided missile destroyer in the United States Navy. The ship was built by Bath Iron Works in Bath, Maine, starting on 8 May 1997. The ship was commissioned on 23 October 1999. She is named for Medal of Honor recipient Rear Admiral Richard O'Kane.