John “Shrek“ McPhee of SOB Tactical teaches how to judge distance

John “Shrek“ McPhee of SOB Tactical teaches how to judge distance. Who is John McPhee? Sergeant Major (ret) John McPhee served a distinguished career in U.S. Army Special Operations for over 20 years, retiring in 2011. John has spent his adult life in Special Operations and Special Mission Units. He has trained countless U.S. Special Operations forces, thousands of International Tier 1 Operators and Special Forces around the world. He is one of the handful of operators with over a decade of combat havi