Hurricane

Washington: Ahead of the arrival of Hurricane Irma in Florida, SpaceX successfully launched a secret US Air Force space plane from NASA's Kennedy Space Center.A Falcon 9 rocket carrying the X-37B Orbital Test Vehicle (OTV) on its fifth mission blasted off from Launch Complex 39A on Thursday at 10 a.m. EDT. What OTV-5 mission would accomplish is not known.Falcon 9 is a two-stage rocket designed from the ground up by SpaceX for the reliable and cost-efficient transport of satellites and SpaceX's Dragon spacecraft. Following stage separation, Falcon 9's first stage landed at SpaceX's Landing Zone 1 at Cape Canaveral Air Force…