In one of the most intense physical challenges yet, the remaining recruits carry tires, ropes, and chains up a mountain. Then, the recruits are split into two teams to attempt an extraction operation and are uplifted by heartwarming messages from home.

The remaining recruits are paired up to find a vital intelligence package and retrieve a hostage before the compound is filled with deadly gas and explodes. Then, the recruits compete against each other in an excruciating obstacle course and get emotional as they write their "Death Letters" to their loved ones.

The recruits sidestep above a 200ft high canyon floor, then compete in one of the most physically brutal tasks of the season.

The recruits race in the brutal heat and backwards dive in sync.

The recruits navigate through tight tunnels and trenches.

The recruits work together to save lives and survive extraction.

The recruits escape a sinking plane and fight against each other in a boxing match.

The recruits must repel out of a military-grade helicopter.