A team of stretcher bearers struggle through deep mud to carry a wounded man to safety near Boesinghe on 1 August 1917 during the Third Battle of Ypres. Battle of Pilckem Ridge. Stretcher bearers struggle in mu More
Senior Airman Danielle Sturdivant, with the 56th Communications Squadron at Luke Air Force Base, Ariz., crawls through the "electric eel" obstacle during the Tough Mudder at the Mesa Proving Grounds in Mesa, A More
ANNAPOLIS, Md. (May 17, 2011) U.S. Naval Academy plebes navigate the low crawl obstacle during Sea Trials, the capstone training exercise for Naval Academy freshmen. The plebes navigate physical and mental cha More
GULFPORT, Miss. (Sept. 12, 2009) Runners make their way through muddy obstacles during the 2009 Seabee Mud Run at Naval Construction Battalion Center Gulfport. More than 600 military and civilians participated More
KANEOHE, Hawaii (Feb. 20, 2010) A participant wipes mud from his face after jumping in a pond during the 16th annual Swamp Romp. More than 300 six-person teams, including Navy and Marine Corps teams, participa More
KANEOHE, Hawaii (Feb. 20, 2010) Participants trip and fall in the mud on the last leg of the 16th annual Swamp Romp race. More than 300 six-person teams, including Navy and Marine Corps teams, participated in More
GULFPORT, Miss. (Sept. 18, 2010) Participants in the 15th annual Seabee Volkslauf Mud Run trudge through one of the first obstacles of the five-mile course at Naval Construction Battalion Center. More than 1,0 More
ANNAPOLIS, Md. (May 17, 2011) A U.S. Naval Academy plebe navigates the low crawl obstacle during Sea Trials, the capstone training exercise for Naval Academy freshmen. The plebes navigate physical and mental c More
U.S. Naval Academy (May 18, 2004) - Midshipmen offer each other encouragement as they maneuver through a mud pit during a rucksack hike as part of Sea Trials. The "capstone" event places fourth-class midshipme More
U.S. Naval Academy, Annapolis, Md. (May 17, 2005) - Freshmen, known as "Plebes," participate in an 11.5 hour rigorous physical and mental challenge at the United States Naval Academy known as "Sea Trials." Thi More
SAN DIEGO (Feb. 3, 2011) Hospital Corpsman 1st Class Michael Astorga crawls through a mud pit during a tactical combat casualty care field exercise at Naval Medical Center San Diego. The exercise is a pre-depl More