190726-N-GN619-0026 PORTSMOUTH, Va. (July 26, 2019) Capt. Lisa Mulligan salutes the side boys as she arrives to Naval Medical Center Portsmouth’s (NMCP) change of command ceremony. Mulligan relieved Capt. Christopher Culp as the 78th commanding officer of the historic medical center. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kris R. Lindstrom/Released)