Extreme SEAL Experience: seals_012

D.J. Jalving, 19, of Redlands, CA walks through a field while taking part in the Extreme SEAL Experience on Tuesday May 17, 2011 in Chesapeake, VA. Men from around the country paid money to learn techniques used in Navy SEAL training. (Photo by Matt McClain/For The Washington Post)

D.J. Jalving, 19, of Redlands, CA walks through a field while taking part in the Extreme SEAL Experience on Tuesday May 17, 2011 in Chesapeake, VA. Men from around the country paid money to learn techniques used in Navy SEAL training. (Photo by Matt McClain/For The Washington Post)