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. Marine Safety Unit Lake Charles’ missions include maritime safety, security, and environmental protection throughout an 8,400 square mile area of responsibility in southwest Louisiana, the eleventh busiest tonnage port in the nation. U.S. Coast Guard photo by Petty Officer 2nd Class Johanna Strickland.