text: At their initial manufacturing decision reviews , the F-22 , PAC-3 , and ATIRCM / CMWS had less than onethird of their engineering drawings , in part , because they did not use prototypes to demonstrate the design met requirements before starting initial manufacturing .
  
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  The F-22 , PAC-3 , and ATIRCM / CMWS had less than onethird of their engineering drawings .