Lockheed Martin Corp.’s LMT business unit, Sikorsky Aircraft Corp., has won a modification contract from the U.S. Navy to provide support services for VH-3D/VH-60 Executive Helicopter Special ...
A new set of composite rotorblades available for Sikorsky S-61 heavy twins could boost performance and add decades of life to the type's VH-3D presidential fleet derivative - for as little as $1.25 ...
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