BLAIR, Charles F., Jr., examines his astrocompass before transpolar flight, Bardufoss, Norway, 1951 Published on January 28, 2014 in 29 May 1951Full resolution (1000 × 912) ← Previous Next → Captain Charles F. Blair, Jr., checks his astrocompass shortly before beginning his transpolar flight, 29 May 1951. (Smithsonian Institution)