Missile Defense Agency Director Lt. Gen. Sam Greaves says it will take at least six years for the Defense Department to field a capability for the F-35 Joint Strike Fighter to contribute to missile defense missions. Greaves told the Senate Appropriations defense subcommittee today that MDA sees the F-35 as, "if not a game changer, a significant contributor to future ballistic missile defense capability." He said MDA has been working with the Air Force over the last several months to...