Military studies 'hyperfit' women who pass grueling courses

In the nearly four years since the Pentagon announced it was opening all combat jobs to women , at least 30 have earned the Army Ranger tab, two have graduated Marine infantry school and three have passed the grueling initial assessment phase for Green Beret training.Army medical researchers hope to uncover answers in a just-launched voluntary study."We're really interested in those elite women that are the first to make it through physically demanding training," said Holly McClung, a nutritiona