Jocko Willink was a Navy SEAL Platoon Commander and Seal Task Unit Commander leading hundreds of operations from September of 1990 to 2010. He’s also Black Belt under Dean Lister, one of the most decorated BJJ fighters who trained a lot of BJJ and MMA champions. Jocko started training Brazilian Jiu Jitsu in 1995 under Fabio santos and now he owns MMA Victory MMA training center together with Dean lister.
In this video he answers a viewers question about a belt pursuit. Check his answer in a video below.