Cmdr. Darwin Jenson relieves Cmdr. Daniel Cost of command at a change-of-command ceremony for Marine Safety Unit Lake Charles in Lake Charles, Louisiana, on July 10, 2019. U.S. Coast Guard photo by Petty Officer 2nd Class Johanna Strickland. LAKE CHARLES, Louisiana — Coast Guard Marine Safety Unit Lake Charles held a change-of-command ceremony at the Lake Charles Civic Center in Lake Charles, Louisiana,...