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?
Jocko Willink: John "Jocko" Willink (September 8, 1971) is an American podcaster, author, martial artist and retired United States Navy SEAL. Jocko Willink:  Other notable members of Task Unit Bruiser included Leif Babin, Ryan Job, JP Dinnell, Marc Alan Lee, Michael Monsoor, Kevin Lacz and Chris Kyle. Chris Kyle:  Kyle served four tours in the Iraq War and was awarded several commendations for acts of heroism and meritorious service in combat.
four