BALTIMORE - Coast Guard Petty Officer 1st Class John Cornelius, the assistant fire chief at the Coast Guard Yard Fire Department located in Baltimore, Md., climbs the steps to the USS Oak Ridge, a 536-foot floating dry dock, to conduct a confined space rescue training with the Anne Arundel County Hazmat and Special Operations Station in Arnold Md., at the Coast Guard Yard in Baltimore, Md., March 30, 2011. Cornelius joined the Coast Guard as a reservist, completed damage controlmen training at the top of his class and then became an enlisted member of the Coast Guard. U.S. Coast Guard photo by Petty Officer 3rd Class Robert Brazzell.