U.S. Marine Corps recruits with November Company, 4th Recruit Training Battalion, complete obstacles during the Crucible at Marine Corps Recruit Depot Parris Island, Feb. 21, 2019.
The Crucible is a 54-hour culminating event that requires recruits to work as a team and overcome challenges in order to earn the title of United States Marine. (U.S. Marine Corps photo by Warrant Officer Bobby J. Yarbrough) Original public domain image from Flickr