THE NATIONAL MUSEUM OF THE MARINE CORPS
'(<a href="http://www.j-archive.com/media/2009-05-18_J_09.jpg" target="_blank">Jon of the Clue Crew reports from the National Museum of the Marine Corps, Quantico, VA.</a>)  The HRS-1, named for <a href="http://www.j-archive.com/media/2009-05-18_J_09a.jpg" target="_blank">this</a> Russian, was used in the first helicopter insertion of combat troops on September 20, 1951'
(Igor) Sikorsky