USS Lassen (DDG-82) is an Arleigh Burke-class guided missile destroyer in the United States Navy. She was homeported in San Diego, CA until she shifted homeport to Yokosuka Naval Base in Yokosuka, Japan in August 2005, where she remains as of June 2008. Lassen is named for Clyde Everett Lassen, who was awarded the Medal of Honor for his courageous rescue of two downed aviators while commander of a search and rescue helicopter in Vietnam. Displacement: 9,200 tons Length: 155.3 m Beam: 20 m Propulsion: 4 × LM2500-30 gas turbines, 2 shafts, 100,000 hp Speed: 30+ knots Armament: 1 × 32, 1 × 64 cell Mk 41 VLS, 96 × RIM-66 SM-2, BGM-109 Tomahawk or RUM-139 VL-Asroc, 1 × 127/62 mm, 2 × 25 mm, 4 × 12.7 mm guns, 2 × Phalanx CIWS 2 × Mk 32 triple torpedo tubes Aircraft carried: 2 × SH-60 Sea Hawk helicopters