Burpees (three-minute all-out set)
Recommends3 minutes of burpees as hard as possible
For when time, space or equipment is short, Willink recommends three minutes of burpees at maximum effort.
Source: Jocko Willink Talks with OutKick About Top Workouts, Jiu-Jitsu, The Must-Read Book for Men, and More (interview, 27 Oct 2024)