Mr. Paul Williamson, the Command Advisor at the U.S. Marine Corps’ Wounded Warrior Regiment, poses for a photo in front of memorabilia he’s collected throughout his 51-year-long career at Marine Corps Base Quantico, Va., April 4, 2020. Williamson served in the U.S. Navy for 31 years before joining the then newly established Wounded Warrior Regiment in 2007. - Mr. Paul Williamson, the Command Advisor at the U.S. Marine Corps’ Wounded Warrior Regiment, poses for a photo in front of memorabilia he’s collected throughout his 51-year-long career at Marine Corps Base Quantico, Va., April 4, 2020. Williamson served in the U.S. Navy for 31 years before joining the then newly established Wounded Warrior Regiment in 2007.