USCGC Mackinaw (WLBB 30) sails into Chicago to moor at the Navy Pier after working buoys on Lake Michigan in support of Operation Fall Retrieve to deliver 1200 Christmas trees to Chicago-area families, Dec. 1, 2022. CGC Mackinaw is home-ported in Cheboygan, Michigan and has completed this mission for the past 22 years. (U.S. Coast Guard Video by Petty Officer 3rd Class Gregory Schell)