CHICAGO- Rear Adm. Mike Parks (center), commander of the 9th Coast Guard District, and Cmdr. Michael Davanzo, commanding officer of the Coast Gutter Mackinaw, greet crowds at the Chicago's Christmas Ship ceremony at Navy Pier, Dec, 1, 2012. The Coast Guard Cutter Mackinaw, serving as the modern-day Christmas Ship, brought 1,300 Christmas trees from northern Michigan to Chicago for distribution to deserving families on the 100th anniversary of the sinking of the Rouse Simmons, the original Christmas Ship. U.S. Coast Guard photo by Chief Petty Officer Alan Haraf