Kayla Nicole

Sixteen new celebrity recruits endure the harsh reality of ocean warfare.

Challenges include treading water as a group and bungee jumping off a 12-story viaduct.

The recruits face new challenges including escaping a boat crash, an intense combat exercise, battling against each other in an intense boat race, and hauling 500 pounds of supply kits up a steep mountain.

The recruits face new challenges including escaping a boat crash, an intense combat exercise, battling against each other in an intense boat race, and hauling 500 pounds of supply kits up a steep mountain.

The recruits undergo a search-and-rescue course, crawl along a rope suspended over a canyon, face a grueling three-stage endurance test in the mountainous terrain, and a brakeman rope challenge.

Recruits must unlock a safe in a gas-filled room.