(Editor's Note: This story has been updated to reflect that AM General will also file a protest with GAO of a SOCOM contract award to General Dynamics for the Ground Mobility Vehicle 1.1.) Navistar Defense and AM General will file a protest with the Government Accountability Office after losing out on a $562 million contract U.S. Special Operations Command recently awarded to General Dynamics Ordnance and Tactical Systems for the Ground Mobility Vehicle 1.1. “Yes, we are protesting,” Lauren...