The ROTC (Reserve Officers' Training Corps) taught Munger the mortar-shell technique of firing one shot over and one shot short to bracket the target, which he has applied as a mental trick throughout his life to determine what size to make things (over and under and kapow)

factualpending

Speaker

Charlie Munger

Evidence Quote

I been to the ROTC both in high school and college and the irtc taught me to fire mortar shells or shells one shot over one shot short and then kapow well I never shot any damn shells but I've been using that metal trick all my life

Source

Charlie Munger: Invert, always invertSeeking Wisdom: Value Investing & Worldly Wisdom
Created: 8/11/2026, 8:03:26 AM

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