Lt. Col. Christopher B. Shaw, Marine Corps Base Quantico Staff Judge Advocate, poses for a photograph in his office at Lejeune Hall on April 11, 2013. Shaw started his Marine Corps career as an infantry officer before making the switch to legal. - Lt. Col. Christopher B. Shaw, Marine Corps Base Quantico Staff Judge Advocate, poses for a photograph in his office at Lejeune Hall on April 11, 2013. Shaw started his Marine Corps career as an infantry officer before making the switch to legal.