Six minutes was Ye Jian's limit. However, to many people, they would have already lost their life.
Big Shark heaved a long sigh in his heart again. He then focused on the second test. No matter how powerful she was, she wouldn't belong to the navy or the Storm Commando Brigade.
However, it was exciting for a female soldier to surpass a male soldier. It didn't matter whatever unit she belonged to.
Ye Jian didn't know that Big Shark's heart was churning. She walked out of the testing room and quickly adjusted her body's condition to enter the high C02 adaptive test.
This was a training that the frogmen had to learn, and one that the members of the Storm Commando Brigade had to take.