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An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .
2 × 20 mm machine gun; Helipad and hangar. [18] Survey ship [18] Singapore: 802 1980 None Ex. survey ship from Singapore. It was captured by the Myanmar Navy in 1974 and is used as an ocean survey ship. Survey ship [18] Myanmar: 807 1962 2 × 20 mm machine gun; Carpenteria class [18] Australia: 115 2013 2 × 40 mm naval gun; 2 × 20 mm machine gun
The aerodrome was established as Naval Air Facility Mustin Field on 17 September 1926, in honor of Captain Henry C. Mustin, Navy Air Pilot No.3, and Naval Aviator No. 11, who recorded the first catapult launch from a moving vessel on 5 November 1915 when he flew off of USS North Carolina in a Curtiss Model AB-2.
[24] [1] In Rosenthal's design from 2020, two 16×20×2-inch filters and three 20×20×2-inch filters form five sides of the cube. [2] For both, a 20-inch (500 mm) box fan makes the last side of the cube and is duct taped to the filters, sealing the system so that air is drawn through the filters and out of the box.
Begun in 1975, the yard became the sole source for overhaul of the Coast Guard's 5" 38 caliber gun mount. The 5" gun mounts were used on the service's 378' cutters. In 1971, the yard completed construction of a prototype 41' utility boat (UTB) which had an aluminum hull and fiberglass superstructure. The yard-built boat was adopted and from ...
Homeland Defense: Today's structure of land, air, and naval United States armed forces, with active duty and reserve components, was configured from 1903 to 1947 by a series of Congressional laws enacted to modernize U.S. state militias into a National Guard, strengthen military mobilization capability, and optimize U.S. land, air, and sea ...
Martadinata class frigates have a length of 105.11 m (344.85 ft), a width of 14.2 m (46.59 ft), have a maximum speed of up to 28 kn (51.86 km/h; 32.22 mph), can sail up to 5,000 nmi (9,260.00 km; 5,753.90 mi) at a speed of 14 kn (25.93 km/h; 16.11 mph) and have a sailing endurance of up to 20 days. These ships are equipped with modern weaponry ...
The standard armament consists of two 12.7-millimetre (0.5 in) heavy machine guns. This is supplemented by the two Stanflex modular mission payload slots (one on the foredeck, the other aft of the superstructure), which can be fitted with a multi-purpose gun, surface-to-air missiles , or ASW torpedoes, along with other non-weapon payloads.