Government auditors analyzed the prototyping processes of a selection of Army programs, finding that some resulted in cost savings and requirement changes. In a report released June 27 , the Government Accountability Office examined 22 major defense acquisition programs to determine whether the Defense Department's research and development funds have been used for effective prototyping approaches. Army programs examined for the report include Common Infrared Countermeasure, Integrated Air and Missile Defense, Joint Air-to-Ground Missile, Joint Light Tactical Vehicle and Armored...