from reuters.com: An unmanned Falcon 9 rocket developed by Space Exploration Technologies, or SpaceX, blasted off on Tuesday to put its first commercial satellite into orbit, staking a potentially game-changing claim in a global industry worth nearly $190 billion a year. The 22-story rocket lifted off from its seaside launch pad at Cape Canaveral Air Force Station in Florida at 5:41 p.m. EST/2241 GMT. Two previous launch attempts last week were scuttled by technical glitches, including a last-second abort on Thursday. Engineers later discovered oxygen inside the rocket’s ground-based engine igniter system.