Chief Warrant Officer Michael Mitchell, a Coast Guard marine inspector at Marine Safety Unit Toledo, walks through a void space aboard the motor vessel American Mariner while it is moored in Toledo, Ohio, as it undergoes a maintenance period, Feb. 18, 2015. Mitchell and two other marine inspectors walked and crawled through several moored vessels and examined ongoing maintenance of several lakers in Toledo. (U.S. Coast Guard photo by Petty Officer 2nd Class Levi Read)