SpaceX will try to launch for a fourth time from Cape Canaveral on Monday.
A series of mechanical and weather issues caused the launch of the Falcon 9 rocket to be scrubbed three times last month.
The launch window is set to open at 9:21 a.m. and end at 11:55 a.m. Air Force meteorologists predict a 70 percent chance of favorable weather.
Local 6 news partner Florida Today reports it's the first of two SpaceX launches for Obrcomm Inc., a New Jersey-based provider of machine-to-machine networks that track products shipped around the world and monitor the health of heavy machinery.
The 224-foot Falcon 9 rocket is carrying the first six of 17 Orbcomm Generation 2 satellites upgrading the company's existing constellation in low Earth orbit.
After launch, SpaceX will try to steer the Falcon 9's first stage to a soft landing in the Atlantic Ocean for recovery by ships, a step toward developing a reusable booster.
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