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A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.
The Wasp-class is a class of landing helicopter dock (LHD) amphibious assault ships operated by the United States Navy.Based on the Tarawa class, with modifications to operate more advanced aircraft and landing craft, the Wasp-class is capable of transporting almost the full strength of a United States Marine Corps Marine Expeditionary Unit (MEU), and landing them in hostile territory via ...
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A majority of United States Navy ships have at least a helipad, capable of landing medium-sized helicopters. Many others have decks and even hangars incorporated into the structure of the ship. It has become a standard part of modern ship design to have a deck that supports multiple, medium or large helicopters, as well as being able to house ...
The Hammerhead crane at the PSNS & IMF in Bremerton in April. The shipyard is planning for a major renovation and modernization known as SIOP, which will span years, and recently put out a request ...
Given the challenges of successfully employing anti-ship ballistic missiles in general—and the challenges of attacking a U.S. Navy destroyer in particular—a failed attack wouldn’t be surprising.
This picture of the plane during the photo op was released by the Department of Defense.See also the original unaltered photo. The Mount Rushmore Air Force One image. The Air Force One photo op incident occurred on the morning of April 27, 2009, when a Boeing VC-25 (a Boeing 747 military variant given the call sign "Air Force One" when the president is aboard), followed by a U.S. Air Force F ...
Investigators head into the debris field at the site of a commercial plane crash near Shanksville, Pennsylvania, September 11, 2001. The crash is one of four planes that were hijacked as part of a ...