The Marine Corps is planning steep cuts to one of its largest modernization programs -- the Expeditionary Fighting Vehicle -- as part of a wider effort to recalibrate its forces to better fight irregular combatants, according to internal Pentagon budget documents. The cuts are spelled out in a summary of the Marine Corps' new six-year spending plan obtained by InsideDefense.com. The plan also includes "significant changes" to tactical aviation, including purchases of 25 fewer MV-22 tiltrotor Osprey aircraft and 35...