(Editor's note: This story has been updated to reflect additional information received subsequent to publication.) DAYTON, OH -- The Air Force is discontinuing development of the Gray Wolf cruise missile program in favor of a new, collaborative effort featuring swarming munitions called Golden Horde, according to the service's weapons portfolio chief. Brig. Gen. Anthony Genatempo, the Air Force's weapons program executive officer, told reporters at the Life-Cycle Industry Day here last week that Gray Wolf -- intended to develop...