4 Habits of Discipline From My Navy SEAL Dad

Lived experiences that taught me how to be more productive.

Sean Kernan
6 min readNov 11, 2024

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Shannon, Dad, Mom, Me.

I grew up in the SEAL community. My father was a SEAL for 37 years, graduating from Class 117. He was deployed for 50% of my life and was at war during both my and my sister’s births.

I don’t want to make it seem like dad was a fanatical drill sergeant. He had his moments. But he’s mostly cool and laid back.

Dad commanded SEAL Team 6 and later rose to become a vice admiral and Undersecretary of Intelligence. He didn’t get there by loafing. Here are a few lessons he taught me.

Harnessing the power of the moment

One of our most memorable conversations happened a full decade ago. It was about Hell Week.

For those who don’t know — Hell Week is an unreal test of endurance. You wake up on a Sunday to gunfire. You exercise until Friday without sleep.

Author via Wikipedia commons

Hell Week is the bottleneck that breaks a lot of talented people. It’s where the top 20% are whittled down to the top 5%.

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Sean Kernan
Sean Kernan

Written by Sean Kernan

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