The U.S. Coast Guard Cutter Chock, homeported in Curtis Bay, Maryland, moored up in-between ice breaking operations in Crisfield, Maryland, Jan. 11, 2018. The Chock broke ice to clear ship channels in the Chesapeake Bay and delivered supplies to Tangier Island, Virginia, which is isolated from the mainland.
(U.S. Coast Guard photo by Petty Officer 1st Class Warren Wilson)