The AGM-158 JASSM's origins can be traced back to Northrop's development of the AGM-137 TSSAM, but the Navy and Air Force ultimately chose the JASSM.The original plan was for the AGM/MGM-137 Tri-Service Standoff Attack Missile to equip the B-52H, B-1, B-2, F-16 and F/A-18 in the Air Force and Navy, and in parallel, M270…