A recruit of Hotel Company, 2nd Recruit Training Battalion, balances himself on a chain bridge during the 12 Stalls event at Edson Range, Marine Corps Base Camp Pendleton, Calif., March 31. The stall exercise is one of 30 exercises the recruits must complete during the Crucible, the culminating, 54-hour test of endurance in which recruits experience food and sleep deprivation. Company H is scheduled to graduate from recruit training, April 3. - A recruit of Hotel Company, 2nd Recruit Training Battalion, balances himself on a chain bridge during the 12 Stalls event at Edson Range, Marine Corps Base Camp Pendleton, Calif., March 31. The stall exercise is one of 30 exercises the recruits must complete during the Crucible, the culminating, 54-hour test of endurance in which recruits experience food and sleep deprivation. Company H is scheduled to graduate from recruit training, April 3.