** FILE ** Sgt. Eusebio Lopez instructs a woman during the Quantico Leadership Venture at OCS on Sept. 21. The venture is a bi-annual event that exposes students to the leadership development and evaluation process used by the United States Marine Corps. (Flickr, U.S. Marine Corps)
This image provided by the U.S. Marine Corps shows snow covering one of Marine Corps Base Quantico’s many signs Wednesday, March 6, 2013. Three people, including the suspect, were killed in a shooting at Marine Base Quantico, a base spokesman said early Friday, March 22, 2013. (AP Photo/US Marine Corps, Cpl. Antwaun L. Jefferson)