- 2 * General Electric LM2500-30 gas turbines generating 41,000 shp (31 MW) through a single shaft and variable pitch propeller
- 2 * Auxiliary Propulsion Units, 350 hp (260 kW) retractable electric azimuth thrusters for manoeuvring and docking
- AN/SPS-49 air-search radar
- AN/SPS-55 surface-search radar
- CAS and STIR fire-control radar
- AN/SQS-56 sonar
- 1 * OTO Melara Mk 75 76 mm/62 caliber naval gun
- 2 * Mk 32 triple-tube (324 mm) launchers for Mark 46 torpedoes
- 1 * Vulcan Phalanx CIWS
- 4 * .50-cal (12.7 mm) machine guns.
- 1 * Mk 13 Mod 4 single-arm launcher for Harpoon anti-ship missiles and SM-1MR Standard anti-ship/air missiles (40 round magazine)
- 1 * SH-60 LAMPS III helicopter
USS Klakring (FFG-42), an Oliver Hazard Perry class frigate, was a ship of the United States Navy named for Rear Admiral Thomas B. Klakring (1904–1975), who was awarded three Navy Crosses as commander of the submarine USS Guardfish during World War II. Klakring was laid down on 19 February 1982 by the Bath Iron Works Corp. Bath, Maine; launched on 18 September 1982; sponsored by Beverly Bohen, niece of Rear Admiral Klakring; and commissioned on 20 August 1983 at Bath, Commander Leonard O. Wahlig in command. She was the frigate long-hull variant (Flight II).