The General Accounting Office contends the Army's decision to revise its Shadow unmanned aerial vehicle acquisition strategy is "questionable" because it entails the procurement of more UAVs before operational testing is conducted. In a Sept. 26 report , the agency states that the Defense Department or Congress should ensure the service cannot go forward with its newly revised strategy. GAO notes the service's original plan for the tactical UAV program was to "prove system capabilities before procuring additional systems," a...