The Air Force's recent decision to buy some short-takeoff-and-vertical-landing Joint Strike Fighters -- the version being developed principally for the Marine Corps -- is a welcome change that could benefit the services and future U.S. military operations, according to Marine Corps Commandant Gen. Michael Hagee. In addition to the STOVL variant, Lockheed Martin is developing two other JSF versions: a conventional-takeoff-and-landing JSF for the Air Force and a carrier-suitable version for the Navy. Air Force leaders announced plans to buy...