Jon Truett, a former 22 SAS operator with two decades of experience in the UK Special Forces, discusses high-stakes military operations and mental health challenges faced by soldiers. He shares insights on the rigorous SAS selection process and comparisons with U.S. Special Forces. Truett also delves into groundbreaking collaborations with DARPA, focusing on technologies like muscle stimulation for enhancing performance and early Parkinson's detection. His experiences highlight the importance of resilience and innovation in both military and civilian life.