Icebreaking

• 
  03-17-2009 USCG conducts Operations Spring Breakout (317.55 KB)
  
  In this photo provided by the U.S. Coast Guard, the Cutter Mackinaw breaks ice in Whitefish Bay, Mich., in support of Operation Spring Breakout, March 16, 2009. Spring Breakout encompasses northern Lake Michigan, northern Lake Huron, the St. Marys River and helps facilitate the spring shipping season in the Great lakes. (U.S. Coast Guard photo/Petty Officer 3rd Class George Degener)
• 
  03-17-2009 USCG conducts Operations Spring Breakout_2 (413.93 KB)
  
  In this photo provided by the U.S. Coast Guard, the Cutter Mackinaw breaks ice in Whitefish Bay, Mich., in support of Operation Spring Breakout, March 16, 2009. Spring Breakout encompasses northern Lake Michigan, northern Lake Huron, the St. Marys River and helps facilitate the spring shipping season in the Great lakes. (U.S. Coast Guard photo/Petty Officer 3rd Class George Degener)
• 
  03-17-2009 USCG conducts Operations Spring Breakout_3 (457.58 KB)
  
  In this photo provided by the U.S. Coast Guard, the Cutter Mackinaw breaks ice in Whitefish Bay, Mich., in support of Operation Spring Breakout, March 16, 2009. Spring Breakout encompasses northern Lake Michigan, northern Lake Huron, the St. Marys River and helps facilitate the spring shipping season in the Great lakes. (U.S. Coast Guard photo/Petty Officer 3rd Class George Degener)
• 
  03-17-2009 USCG conducts Operations Spring Breakout_4 (476.89 KB)
  
  In this photo provided by the U.S. Coast Guard, the Cutter Mackinaw breaks ice in Whitefish Bay, Mich., in support of Operation Spring Breakout, March 16, 2009. Spring Breakout encompasses northern Lake Michigan, northern Lake Huron, the St. Marys River and helps facilitate the spring shipping season in the Great lakes. (U.S. Coast Guard photo/Petty Officer 3rd Class George Degener)
• 
  MACKINAW BREAKING ICE (233.41 KB)
  
  Coast Guard Cutter Mackinaw escorted the freighter Canadian Olympic and the CSL Assiniboine, which is barely visible to the right of the Canadian Olympic. Cutter Mackinaw breaks ice for freighters shipping goods around the Great Lakes during the winter. Photo by Petty Officer 3rd Class William B. Mitchell.
• 
  MACKINAW BREAKING ICE (191.18 KB)
  
  Coast Guard Cutter Mackinaw moves under the Mackinac Bridge on its way to break ice for freighters shipping goods around the Great Lakes during the winter Feb. 4, 2007. Photo by Petty Officer 3rd Class William B. Mitchell.
• 
  enhance21.jpg (251.74 KB)
  
  Coast Guard Cutter Mackinaw moved under the Mackinac Bridge on its way to break ice for freighters shipping goods around the Great Lakes during the winter Feb. 4, 2007. Photo by Petty Officer 3rd Class William B. Mitchell.
• 
  MACKINAW BREAKING ICE (137.79 KB)
  
  Coast Guard Cutter Mackinaw made paths in ice where there were none before in Northern Lake Michigan, Feb. 4, 2007. Cutter Mackinaw breaks ice for freighters shipping goods around the Great Lakes during the winter. Photo by Petty Officer 3rd Class William B. Mitchell.
• 
  MACKINAW ICE BREAKING (174.89 KB)
  
  CHEBOYGAN - Cmdr. John Little was making considerations before escorting the freighter Canadian Olympic through the Straights of Mackinaw Feb. 4. 2007. Cutter Mackinaw breaks ice for freighters shipping goods around the Great Lakes during the winter. Photo by Petty Officer 3rd Class William B. Mitchell.
• 
  KATMAI BAY BREAKING ICE (163.28 KB)
  
  Coast Guard Cutter Katmai Bay breaks ice for freighters navigating through the St. Mary's River in the Great Lakes. During winter, paths must be made in the ice for freighters to continue shipping goods. Photo by Petty Officer 3rd Class William B. Mitchell.