be certain inconveniences as well as some curtailment of social 

 and recreational activities. 



It will be necessary to become adjusted to constant daylight, 

 constant darkness, and remoteness of the areas visited. However, 

 men in the Arctic enjoy life there and readily find ways to adapt 

 themselves to its severe environment. Most are willing to return 

 if the opportunity presents itself. 



Men must fully understand and appreciate the fundamentals of 

 living and survival in the polar regions. For additional informa- 

 tion on this subject, it is suggested that the reader study chapters 

 6 to 9, inclusive, and chapters 17 and 18 of Air Force Publication, 

 Polar Guide (AFTRC 50-0-23, revision of 15 June 1948). 



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