(CBS/AP) - There's fit, and then there's Army fit. And now the Army's fitness demands are getting a lot tougher. After declaring last summer that some new recruits were "too fat to fight," the U.S.

Many people will start running and doing physical training, or PT, a month or so before their scheduled fitness test. Whether that is a 1.5-, two- or three-mile run, your preparation requirements will ...