David Goggins is a retired Navy SEAL and former USAF Tactical Air Control Party member who served in Iraq and Afghanistan. He is an ultramarathon runner, ultra-distance cyclist, triathlete and world record holder for the most pull-ups done in 24 hours. His new book "Can't Hurt Me" is available now via Amazon.
https://www.amazon.com/Cant-Hurt-Me-Master-Your/dp/1544512287
