The Pentagon has turned to software engineers at three different universities to conduct an independent technical assessment of the F-35 Joint Strike Fighter program, a move that signals failure of a 2012 recovery plan for the fifth-generation fighter in the wake of a December decision to indefinitely postpone a full-rate production review required no later than this month. The new independent assessment is focused on the Joint Simulation Environment, a government-owned simulation facility located at Patuxent River Naval Air Station,...