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In 1974 the ship was equipped with four airguns and a 2,400 m (7,900 ft) 24-channel hydrophone array for multichannel seismic surveying with upgrades to ten airguns and a 4,000 m (13,000 ft), 160-channel hydrophone array by retirement in 1989 at which time the ship had logged over one million nautical research miles.
No.13 class; 2.75 m (9 ft 0 in) No.28 class and No.60 class; ... 12 October 1941 Sunk by aircraft at Steven Channel on 19 February 1944. 190 No.23:
USS Avocet (AM-19/AVP-4) was a Lapwing-class minesweeper initially acquired by the U.S. Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing. Avocet was commissioned at the Norfolk Navy Yard , on 17 September 1918, as a minesweeper . [ 2 ]
HMS Seraph (Pennant number: P219) was an S-class submarine built for the Royal Navy during the Second World War. Completed in 1942, she carried out multiple intelligence and special operations activities during World War II, the most notable of which was Operation Mincemeat.
USCGC Southwind (WAGB-280) was a Wind-class icebreaker that served in the United States Coast Guard as USCGC Southwind (WAG-280), the Soviet Navy as the Admiral Makarov, the United States Navy as USS Atka (AGB-3) and again in the U.S. Coast Guard as USCGC Southwind (WAGB-280).
Yaeyama (八重山) was a small minelayer of the Imperial Japanese Navy, which was in service during the Second Sino-Japanese War and World War II primarily as an escort vessel. [1]
USS O-12 (SS-73) was an O-class submarine of the United States Navy. These later O-boats, O-11 through O-16, were designed by Lake Torpedo Boat to different specifications than the earlier Electric Boat designs. They performed poorly as compared to the Electric Boat units, and are sometimes considered a separate class.
The basic design of Toba was modeled after her British built predecessors, but with slightly larger dimensions and much more powerful engines.Toba had a hull with an overall length of 54.86 metres (180.0 ft) and width of 8.23 metres (27.0 ft), with a normal displacement of 250 tons and draft of 0.79 metres (2.6 ft).