It was probably when we all did Navy SEAL pushups—or burpees—which is an exhausting and difficult exercise. We would do 100 of them at a time as a group every other day. It was exhausting ...

It’s designed to “test your overall physical readiness,” according to the Navy SEALs website, and consists of a swim, push-ups, sit-ups, pull-ups, and a 1.5-mile run. The PST is a ...