The crew of the Coast Guard Cutter Alder, home-ported in Duluth, Minn., deploys its spilled oil recovery system in Superior Bay during Operation Peeking Duck, Aug. 28, 2013. The full-scale exercise involving federal, tribal, state and local agencies from Minnesota and Wisconsin simulated an oil spill in the Port of Duluth-Superior. (Coast Guard photo by Chief Petty Officer Alan Haraf)