U.S. Navy Lt. Junior Grade Mark Snyder, a competitor from the Combined Joint Task Force - Horn of Africa, does pushups during the Tin Cat competition at the French 5th Combined Overseas Marines Battalion, Djibouti, Oct. 30. The competition required competitors to complete, in order: 50 pull ups, six 20-foot rope climbs without using their legs, 100 pushups, 100 sit ups, a 400-meter run with a 66-pound rucksack and 135 pound bench press 10 times - all in less than 35 minutes.