Magnesium-yttrium tail cone section for Sikorsky CH-54B helicopter. Stratford, Connecticut -- Samuel E. Kosturak (right), supervisor of manufacturing engineering method development, and Robert T. Welge, supervisor of engineering advanced structural concepts, show completed magnesium-yttrium tail cone section for CH-54B helicopter, produced by Sikorsky Aircraft for the U.S. Army. February 16, 1971
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Magnesium-yttrium tail cone section for Sikorsky CH-54B helicopter

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Magnesium-yttrium tail cone section for Sikorsky CH-54B helicopter.

Stratford, Connecticut -- Samuel E. Kosturak (right), supervisor of manufacturing engineering method development, and Robert T. Welge, supervisor of engineering advanced structural concepts, show completed magnesium-yttrium tail cone section for CH-54B helicopter, produced by Sikorsky Aircraft for the U.S. Army.

February 16, 1971

 

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