200131-M-TH199-0006 NORFOLK (Jan. 31, 2020) Assistant Commandant of the Marine Corps Gen. Gary L. Thomas salutes the colors at the stern of the Virginia-class fast attack submarine USS John Warner (SSN 785) at Naval Station Norfolk in Norfolk, Virginia, Jan. 31, 2020. The tour familiarized U.S. Marine Corps leaders with the capabilities of the boat to increase Marine Corps and Navy integration. (U.S. Marine Corps Photo by Sgt. Danielle Prentice/Released)