The Navy Mark IV (or the "Mercury spacesuit") high-altitude pressure suit was a full-body pressure suit originally developed by the B.F. Goodrich Company and the U.S. Navy for wear in high-altitude fighter aircraft operations. It is best known for its role as the spacesuit worn for all manned Project Mercury spaceflights.
Read more about Navy Mark IV: Pre-Mercury Development, Project Mercury, Specifications, Later Modifications, Later Use, Images, External Links
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“There were gentlemen and there were seamen in the navy of Charles the Second. But the seamen were not gentlemen; and the gentlemen were not seamen.”
—Thomas Babington Macaulay (1800–1859)
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