Try harder: US Navy SEAL punishing fitness regime goes mainstream

Training for US Navy SEALs, the special operations force, follows a warrior tradition that harkens back to the samurai, but fitness experts say the tough regime is gaining popularity with entrepreneurs, corporate executives, lawyers and elite athletes.

The workout, geared toward mental as well as physical transformation, is so demanding that the casual gym-goer looking to shed some flab before swimsuit season need not apply.