James Derek Lovelace displayed advance physical strength before training begun. Seaman James Derek Lovelace, 21, died during his first week of training after he was pulled from a pool exercise Friday ...

Jocko Willink, a retired Navy SEAL and Brazilian jiujitsu black belt, works out up to three hours a day. He varies his exercises to stay healthy long-term and avoid having any athletic weaknesses.

A retired Navy SEAL said he stays strong and healthy with exercises to build muscle and boost longevity even when he's ...

Preparing for future military swimming and diving training requires spending several days a week in the pool. You must swim, tread, drownproof and swim with fins well. All take practice learning the ...