Question: The American podcaster, author, martial artist and retired United States Navy SEAL Jocko Willink worked with this United States Navy SEAL veteran and sniper born in 1974 served how many tours in Iraq?
Sentence (from "Richard Marcinko"): A retired U.S. Navy SEAL commander and Vietnam War veteran, he was the first commanding officer of SEAL Team Six and Red Cell.
Relevant evidence: No