An officer life for the Air Force in World War II now makes available brought up to date with new findings collected since then. His project involved the building and maintaining of bases in Greenland, and Alaska for anti submarine work and for stops for planes, being ferried to Europe. He the early of flying in unaccustomed snow and ice, tells how survived didn't survive when forced down on Ice fields, and makes particularly life at the remote Arctic air fields themselves. History is used to give the whole effort its proper perspective. The reader learns who early flyers were and the they took in aerial exploration of the frozen top of the Earth. Heroes of the stature of Bert Balehen appear both in the historical chapters and during the perilous operations of World War II and after. Updating his 1945 work, the author the current vital importance of Line and the new air bases defending the North American in a land of constant snow and ice.