U.S. Coast Guard Cmdr. Jeanette Greene transfers command of Coast Guard Cutter Mackinaw (WLBB 30) to Cmdr. Daniel O’ Brien July 30, 2025, at Escanaba Park, Grand Haven, Michigan. Greene will continue her career as the Nautical Science Department Head at the Coast Guard Academy, and O’Brien previously served as commanding officer aboard Coast Guard Cutter Mobile Bay (WTGB). (U.S. Coast Guard photo by Petty Officer 3rd Class Mary Wysong)