FAA Halts SpaceX Falcon 9 Rockets After Fiery Landing Failure OneindiaPolaris Dawn launch delayed another 24 hours after SpaceX detects helium leak USA TODAYSpaceX’s Falcon 9 rocket topples into ocean in failed landing, grounded by FAA The Indian ExpressFalcon 9 booster lost in rare unsuccessful landing SpaceNewsSpaceX rocket grounded as two key human spaceflight missions loom CNN