Midshipmen from the U.S. Naval Academy complete a combat course at the Marine Corps Officer Candidate School in Quantico, Va., during their 2018 Leatherneck training.
Leatherneck is a four-week evolution where 1/C and 2/C midshipmen interested in serving in the Marine Corps are evaluated on leadership, physical training and military skills. (Photos by MC2 Nathan Burke, USNA Public Affairs.). Original public domain image from Flickr