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SpaceX postpones launch of spy satellite one day

By Allen Cone
A SpaceX Falcon 9 rocket sits on the launch pad Sunday at Launch Complex 39A at the Kennedy Space Center. Photo courtesy {link:SpaceX/Twitter
 : "https://twitter.com/SpaceX"}
A SpaceX Falcon 9 rocket sits on the launch pad Sunday at Launch Complex 39A at the Kennedy Space Center. Photo courtesy {link:SpaceX/Twitter : "https://twitter.com/SpaceX"}

April 30 (UPI) -- SpaceX's launch of a spy satellite aboard a Falcon 9 was postponed less than a minute before liftoff Sunday in Florida when the launch company detected an issue with a sensor on the rocket's first stage.

With 52 seconds remaining before liftoff at 7:15 a.m. EDT, SpaceX called a 24-hour hold to check out the sensor, pushing the launch to Monday's two-hour backup window starting at 7 a.m.

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"Standing down today due to a sensor issue; backup launch opportunity tomorrow morning," SpaceX posted to Twitter.

The rocket remains on SpaceX's Launch Complex 39A at Kennedy Space Center.

If the rocket is launched, SpaceX will attempt to recover the first stage booster and land it at Landing Zone 1 at Cape Canaveral Air Force Station.

On March 30, SpaceX last successfully launched and recovered a Falcon 9 for commercial satellite operator SES.

The latest launch, designated as NROL-76, is the first for the spy agency National Reconnaissance Office and the U.S. Department of Defense

"It's a very big deal," said Justin Karl, program coordinator of Commercial Space Operations at Embry-Riddle Aeronautical University, to the Orlando Sentinel. "For government orbital launches, there are very few flight provider options. That is a huge segment of a changing market they have potentially captured."

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This can lead to bidding on national security contracts with United Launch Alliance the only contractor for the Department of Defense.

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