SpaceX to make second attempt to launch Transporter-2 mission [Updated]

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  SpaceX's second Transporter mission is scheduled to lift off at 2:56 pm EDT, carrying 88 spacecraft on a southerly trajectory from Cape Canaveral Space Force Station. [credit: Trevor Mahlmann ]

12:15 pm ET Wednesday update: SpaceX is preparing, again, to launch its Falcon 9 rocket carrying 88 small satellites for a variety of customers. The 58-minute launch window for the Transporter-2 mission opens at 2:56 pm ET (18:56 UTC) on Wednesday.

Nothing has been made official, but several sources report that Tuesday's scrub just 11 seconds before liftoff was triggered by a charter helicopter carrying sightseers in the "keep out" zone for the launch. The webcast for today's launch, embedded below, should begin about 15 minutes before the window opens.

3pm ET Tuesday update: The countdown clock got to T-11 seconds on Tuesday afternoon before SpaceX called a hold to the launch of its Transporter-2 rideshare mission. The scrub was necessitated by a range issue caused by an airplane in the launch zone. The company will now turn around the vehicle for another launch attempt on Wednesday afternoon.

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