SpaceX launches first rocket since explosion

LOS ANGELES (AP) -- A SpaceX Falcon 9 rocket blasted off from California on Saturday, marking the company's first launch since a fireball engulfed a similar rocket on a Florida launch pad more than four months ago.The two-stage rocket lifted off from Vandenberg Air Force Base at 9:54 a.m. carrying a payload of 10 satellites for Iridium Communications Inc., which is replacing its entire global network with 70 next-generation satellites.The satellites were expected to be deployed about an hour aft