The plans of the Norwegian Roald Amundsen for a North Pole flight are taking shape. His aide will be an American—Lieutenant Ralph E. Davison, detailed for this duty by the U.S. Naval Air Service.

For one man to have conquered the Northwest Passage, the North Magnetic Pole, and the South Pole is almost beyond imagination, yet Roald Amundsen accomplished all three in less than 10 years in ...