RESTRICTED 



the ship is pushed by the wind in that direction. The friction of the 

 ice on the sides becomes less, and by using her engines the ship can fol- 

 low the icebreaker. During calm or light winds, and with head winds 



Figure 25. — U. S. C. G. C. Easfwind employing tactics of backing down on the bow of the 

 U. S. S. Wyandot to breal< her out of ice. 



