Ever hear of the First Mongolian Cavalry, United States Navy; or the Sino-American Cooperative Organization or Argos VI in Inner Mongolia? Well, a group of artisans at Twentieth Century Fox have. And they have culled from this curiosa as exotic and amiable an adventure as any to have come out of World War II. Titled "Destination Gobi," the Technicolored newcomer, now at the Glo...