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Hangar One is one of the world's largest freestanding structures, covering 8 acres (32,000 m 2; 3.2 ha) at Moffett Field near Mountain View, California in the San Francisco Bay Area. The massive hangar has long been one of the most recognizable landmarks of California's Silicon Valley .
The airship hangar is constructed on a network of steel girders sheathed with galvanized steel, and rests firmly upon a reinforced pad anchored to concrete pilings. The airship hangar structure measures 1,133 feet (343 m) long and 308 feet (93 m) wide, and the floor covers eight acres (32,000 m 2) (the same size as six football fields).
The L-8 airship control car is on display at the museum. [24] [25] Airship L-8 crashed after its crew, for some unknown reason, departed the airship on 16 August 1942 off the coast of San Francisco, California. Two N-class blimp control cars are on display at the Museum. The K-47 Control car on static display at the Museum. [26]
The floating hangar turned into the direction of the wind on its own and so it was easier to move the airship into the hangar exactly against the wind. For the same reason later rotating hangars were built at Biesdorf (today part of Berlin ) and at the Nordholz Airbase , to the south of Cuxhaven in Germany .
Each state highway in the U.S. state of California is assigned a Route (officially State Highway Route) number in the Streets and Highways Code (Sections 300-635). Since July 1 of 1964, the majority of legislative route numbers, those defined in the Streets and Highways Code, match the sign route numbers.
The north hangar's roof partially collapsed during strong winds in 2013. The Navy spent about $3.2 million temporarily stabilizing the structure a year later, but the hangar remained closed.
The state highway system of the U.S. state of California is a network of highways that are owned and maintained by the California Department of Transportation (Caltrans). Each highway is assigned a Route (officially State Highway Route [ 1 ] [ 2 ] ) number in the Streets and Highways Code (Sections 300–635) .
Parts of I-580 and the entirety of I-880 were formerly SR 17 until the highway was truncated in 1984. SR 18: 117.21 [b] [d] 188.63 SR 210 in San Bernardino: SR 138 near Pearblossom: 1934: current SR 19: 4.4 [c] 7.1 Bellflower city limit at Rose Street: Bellflower–Downey city limit at Gardendale Street 1934: current