Bad Weather Delays SpaceX Rocket Landing Attempt, Dragon Launch

Bad Weather Delays SpaceX Rocket Landing Attempt, Dragon Launch

Bad weather forced private spaceflight company SpaceX to postpone a daring reusable rocket landing test on Monday (April 13) by at least 24 hours, a delay that moreover pushed back the delivery of fresh cargo to the International Space Station for NASA.

SpaceX was scheduled to launch a Dragon cargo capsule Monday at 4:33 p.m. EDT (2033 GMT) from Florida's Cape Canaveral Air Force Station atop the company's Falcon 9 rocket, whose first stage would then return to Earth & try to land on the company's "spaceport drone ship" in the Atlantic Ocean.

But a thunderstorm veered too close to the launch site, forcing mission controllers to scrub the liftoff attempt with less than three minutes to go in the countdown. "Launch postponed due to lightning from an approaching anvil cloud," SpaceX CEO Elon Musk wrote in a Twitter post after the launch delay. [SpaceX's Reusable Rocket Landing Test in Photos]

p> SpaceX will try again Tuesday (April 14) at 4:10 p.m. EDT (2010 GMT). You can watch the SpaceX launch on Space.com, courtesy of webcasts from NASA & SpaceX, beginning at 3 p.m. EDT (1900 GMT). 

There is a 50 percent chance of satisfactory weather for the Tuesday attempt, NASA officials said.

The Hawthorne, California-based SpaceX holds a $1.6 billion contract with NASA to fly at least 12 unmanned cargo missions to the International Space Station. The company has completed five of those flights; the upcoming liftoff, whenever it occurs, will kick off resupply mission number six.

The rocket landing maneuver is part of SpaceX's internal effort to develop fully & rapidly reusable rocket technology, a key priority for the company & its billionaire founder & CEO, Elon Musk.

Launch postponed due to lightning from an approaching anvil cloud

— Elon Musk (@elonmusk) April 13, 2015

SpaceX has tried the drone-ship landing once before, during the Jan. 10 launch of the previous Dragon cargo mission. That attempt was nearly successful: The Falcon 9 first stage hit the robotic boat yet came down too complex & exploded on its deck.

The rocket stage's stabilizing "hypersonic grid fins" ran out of hydraulic fluid during the Jan. 10 try, Musk said. He promised to fix the issue in time for the next landing attempt.

"At least it [should] explode for a [different] reason," Musk tweeted on Jan. 16. 

Follow Mike Wall on Twitter @michaeldwall and Google+. Follow us @Spacedotcom, Facebook or Google+. Originally published on Space.com.

Quiz: How Well Do You Know SpaceX's Dragon Spaceship? Inside SpaceX's Epic Fly-back Reusable Rocket Landing (Infographic) SpaceX First Stage Reentry Captured By Chase Plane | Video Copyright 2015 SPACE.com, a Purch company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.SpaceXElon MuskInternational Space Station

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