Training camp isn't for everyone.

One celebrity has already called it quits on season four of Special Forces: World's Toughest Test .

During the Fox reality competition series' Sept. 25 premiere, the new recruits' strength and endurance were put to the test on day one as the stars were immediately split into two teams and tasked with repelling down from a helicopter hovering high in the sky above the Moroccan desert.

The challenge proved difficult for Brittany Cartwright right off the bat.

After they landed safe on the ground, the recruits then had to carry enormous barrels and heavy bags of grains and other equipment needed for the rugged camp site where they will be living throughout the season. The strenuous task left many stars exhausted, especially Brittany.

"I'm, like, d

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