Liftoff of the SpaceX Falcon 9 rocket and Dragon spacecraft on the company’s 15th commercial resupply mission to the International Space Station for NASA. The vehicle is climbing away from Cape Canaveral Air Force Station’s Space Launch Complex 40, lighting the predawn sky over Florida’s Space Coast as it blazes a trail downrange.

The vehicle will pass “max Q” about a minute and 18 seconds into the flight. Just over a minute later, the nine Merlin engines powering the rocket’s first stage will shut down and separate from the vehicle, clearing the way for the second stage’s single Merlin engine to ignite and continue the flight.

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