“A somewhat motley crew of test pilots, dot-com dropouts, dreamers and others will change space travel as we know it. Or not.” Rocket Men: ‘The only real reason to put rockets on an aircraft these days, explains (XCOR Aerospace president Jeff) Greason… is to go into space. Jet engines can’t do it. Propellers can’t do it. And once you’re 50 miles or so in the air, or what’s called suborbital space, there’s business to be done: low-gravity experiments, satellite missions, military research and–here’s the sexy stuff–tourism.’ LA Times