190308-N-ZZ513-1045 SAN DIEGO (March 8, 2019) The Guided-missile destroyer USS Zumwalt (DDG 1000) departs San Diego as part of an operational underway, March 8, 2019. The milestone demonstrates the U.S. Navy’s commitment to advancing the lethality of its surface combatants by integrating cutting-edge technologies in Zumwalt’s combat systems, weapons, and engineering plants. (U.S. Navy photo by Mass Communication Specialist 2nd Class Natalie M. Byers/Released)