Watch live: SpaceX’s second attempt to launch its first spy satellite

SpaceX

SpaceX got to within 52 seconds of launching its Falcon 9 rocket Sunday morning before a problem with a sensor on its first stage forced a 24-hour scrub. Now, the rocket company is ready to try a second time on Monday morning to launch its first major national security payload.

Not much is known about the National Reconnaissance Office's NROL-76 satellite, a classified payload, which will liftoff into low Earth orbit from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The launch window on Monday opens at 7am ET (12pm UK) and lasts two hours. SpaceX is targeting 7:15am ET for launch, and the webcast should begin about 20 minutes prior to this time.

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