SpaceX fires up its biggest rocket, paving way for a test flight

Elon Musk says Falcon Heavy, his company’s newest rocket, will launch ‘in a week or so’ after test at Kennedy Space CenterSpaceX fired up its newest, biggest rocket in a critical launch pad test on Wednesday, advancing toward a long-anticipated test flight possibly in just a week. The Falcon Heavy briefly roared to life for the first time at Nasa’s Kennedy Space Center. All three boosters – 27 engines in all – were tested. The thunderous booms could be heard a