The 3x3: Spartan Beast Training, Keeping Calm, & VO2Max Benchmarks

[@blairmanx4]

thanks for these

[@nicholsontj1]

Bruce Willis is 100% a cop in Die Hard. John McClane baby.

[@bg975]

jiu jitsu and reality based training. Put yourself in very uncomfortable situations. You will be way ahead when a call goes sideways.