downrange definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
along the course away from the launching site
downrange definition by American Heritage Dictionary
adverb & adj.
In a direction away from the launch site and along the flight line of a missile test range: landed a thousand miles downrange; the downrange target area.