QUANTICO, Va. – Former Marine Corps Staff Sgt. David McGrath hadn't seen the vehicle he was blown up in years ago in Afghanistan until a recent Sunday at the National Museum of the Marine Corps.

Chief video correspondent Graham Flanagan spent five days inside The Basic School at Marine Corps Base Quantico in Virginia, where he observed five different companies in various stages of training.

Ahead of the anniversary, the National Museum of the Marine Corps in Quantico, Virginia, unveiled new exhibits this fall. The exhibits, "Forward Deployed" and "Afghanistan and Iraq," help guide ...