1946-47 



1947-48 



come an annual summer operation. In 1948, ships of 

 TF80 reached 82°34' N. latitude near Cape Sheridan 

 where Peary's cairn (1906) was found. Later an ice- 

 breaker reached Slidre Fiord on Eureka Sound. 

 The two icebreakers returned to Boston via Prince 

 Regent Inlet, Fury and Hecla Strait, Hudson Bay, 

 and Hudson Strait. 



— Fourth Byrd expedition (Operation High jump, U. S. 

 Navy) to Antarctica. Largest exploring expedition 

 in history. 



— Two Navy icebreakers conducted a reconnaissance of 

 East Antarctica, the Bay of Whales and Palmer 

 Peninsula. 



CHARACTER OF RECENT COLD WEATHER OPERATIONS 



During the middle of the 1940's, it became evident that the 

 course of any future war would be further northward. Implica- 

 tions of arctic geography on world strategy and national security 



Figure 1-4. — Summer scene. 



The Fury & Hecla Strait first transited by ship, summer of 

 1948. 



*i^iMmtm 



"^ " >K/'fr»*^- 



