WASHINGTON -- The Army is launching a new war against an old foe: the lingering problem of sexual violence within the military.

Last month, 80 high-ranking generals gathered at a hotel in Alexandria, Va., for a mandatory, weeklong summit devoted to combating the crime. In a Sept. 22 essay in Army Times, Army Secretary Pete Geren and Gen. George Casey, the service's chief of staff, said it was "repugnant to everything a soldier stands for" and promised a "zero tolerance" policy for harassment or assault.

The...