Musk trolls Bezos as space race between world's richest men heats up

FILE PHOTO: Amazon and Blue Origin founder Jeff Bezos addresses the media about the New Shepard rocket booster and Crew Capsule mockup at the 33rd Space Symposium in Colorado Springs, Colorado, United States April 5, 2017. REUTERS/Isaiah J. Downing

(Reuters) -The space race between the world's two richest men went into hyperdrive on Tuesday after Tesla chief Elon Musk took a swipe at Jeff Bezos' attempt to challenge a major NASA contract.

The two billionaires, who have been trying to launch long-range orbital rockets, were competing for a coveted contract from the government to build a spaceship to deliver astronauts to the moon as early as 2024.