The emotional clip features “The Valley” star Brittany Cartwright fighting tears as the intensity of the training mounts, while other recruits scream as they confront fear-inducing drills.

Kody Brown and Brittany Cartwright are among the reality stars who are facing big challenges in the first look at season 4 of ...

The 18 recruits are featured in the gallery below, but the show will also feature four ex-special forces operatives who will be leading the cast members in the competition. Rudy Reyes, Mark “Billy” ...

Other athletes in the competition include NFL alum Randall Cobb, Olympic soccer player Christie Pearce Rampone and retired ...