The Pentagon's costly Joint Strike Fighter program has been given a welcome boost with South Korea formally announcing a decision to select the fifth-generation F-35A Lighting II aircraft for its F-X program, the plane's manufacturer Lockheed Martin said today. The plan to purchase the F-35 over the Eurofighter is expected to shore up F-35 production and bring down unit costs as the U.S. Navy and Marine Corps look to cut costs by slowing the procurement of their B- and C-model...