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Cover of Mini Manual for The Urban Defender by John Spencer

Mini Manual for The Urban Defender

John Spencer
Mentioned 1 time across 1 podcast · 2026
Where it's mentioned
558: What We Can Learn From John Spencer Almost Dying 20 Times.
Jocko Podcast · Sep 2026
“he also authored the mini manual for The Urban Defender, which has been translated into dozens of languages after it became a staple”