Video: Tower rollback prior to launch of Mars Pathfinder atop a Delta 2

For the second consecutive day, SpaceX called off a Falcon 9 launch attempt at Cape Canaveral on Thursday evening, this time to complete a software update on the first 60 satellites for the company’s Starlink network to provide high-speed Internet service from orbit.

With the payload matching game showing no prospects, the final Delta 2 rocket could be headed to the Smithsonian or another museum instead of space.

NASA’s ICESat 2 satellite has been bolted atop a United Launch Alliance Delta 2 rocket at Vandenberg Air Force Base in California as ground teams prepare for the final liftoff of the workhorse launcher Sept. 15.