USS Los Angeles (ZR-3)
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USS Los Angeles was a rigid airship, designated ZR-3, which was built in 1923–1924 by the Zeppelin company in Friedrichshafen, Germany, as war reparations. She was delivered to the United States Navy in October 1924 and after being used mainly for experimental work, particularly in the development of the American parasite fighter program, was decommissioned in 1932.
Cover carried on the delivery flight from Germany to Lakehurst, New Jersey, 12–15 October 1924
Zeppelin LZ-126 arriving at Lakehurst, 15 October 1924
Los Angeles (right) and Shenandoah moored in Hangar No. 1 in 1924
The static buoyancy of airships in flight is not constant. It is therefore necessary to control the altitude of an airship by controlling its buoyancy: buoyancy compensation.
On the Macon, the exhaust water recovery condensers appear as dark vertical strips above each engine. The Akron and LZ 130 Graf Zeppelin had similar systems.