Capt. Steven Ramassini relieved Capt. Paul Flynn as the U.S. Coast Guard Training Center Petaluma commanding officer during a change of command ceremony In Petaluma, California, July 11 2019. The change of command is a time-honored tradition aboard ships and shore commands representing a total transfer of responsibility, authority and accountability from one individual to another. (U.S. Coast Guard photo by Seaman Ryan Estrada/Released)