Dressed For High Flying - Feaf Bomber Command, Japan -- With his head covered by a fur perka reminiscent of the men of the great Northwest, 1st Lt. Carl L. Hinchey, 1207 Grand St., Duncan, Okla., a U.S. Air Force B-29 Superfort pilot with the 98th Bomb Wing in Japan, is ready, in his protective clothing, for another high altitude bombing attack against Communist targets in North Korea. Because the Superforts sometimes bomb from high altitudes, the hazard of sub-zero weather at such levels adds t