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Jennifer Wolfinger, NASA Communications: You
are looking live at a Falcon 9 rocket on the

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launch pad at Cape Canaveral Air Force Station
in Florida.

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At 12:51 this afternoon, the aerospace company
SpaceX will launch a Dragon cargo spacecraft

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on a NASA mission to resupply the International
Space Station.

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Good afternoon everyone and welcome to NASA’s
Kennedy Space Center for our live coverage

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of the 19th resupply mission for SpaceX.

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I’m your host, Jennifer Wolfinger.

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We are about 28 minutes away from the planned
liftoff of a Falcon 9 rocket from the coast

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of Florida.

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The mission: to fly much-needed astronaut
supplies and research experiments up to the

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International Space Station.

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And we have a team of correspondents across
the country helping us cover all the angles

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of this launch.

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We will head to the Mission Directorate Center
here on the Space Coast to get updates on

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the weather and the countdown, and we’ll
head west to SpaceX headquarters in Hawthorne,

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California, and check in at Mission Control
at Johnson Space Center.

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But first, here are some quick facts about
today’s launch.

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:57, video: SpaceX transported the Falcon
9 rocket out to the launch pad and lifted

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it to the vertical launch position for the
19th resupply cargo mission to the International

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Space Station.

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This is the third flight for this Dragon spacecraft,
and the first time this Falcon booster has

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been flown.

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Dragon will deliver more than 5,700 pounds
of astronaut supplies and payloads for science

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research to the orbiting laboratory.

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The launch window today is instantaneous,
which SpaceX must launch at the exact second

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to the planned liftoff or try again another
day.

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The plan is to keep the Dragon spacecraft
docked to station for about a month before

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bringing it back to Earth.

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The Dragon spacecraft will be filled with
critical materials to directly support science

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and research that will take place on the International
Space Station.

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Dragon will carry the combined combustion
investigation, which examines the behavior

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of flame as it spreads in differently shaped
confined spaces in microgravity.

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Understanding how fire spreads and behaves
in space is crucial for the safety of astronauts

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and for understanding and controlling fire
here on Earth.

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Another exciting payload is the Hyperspectral
Imager Suite, which is a next generation hyperspectral

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Earth imaging system developed by the Japanese
government.

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It provides space-based observations for tasks,
such as resource exploration, and applications

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for agriculture, forestry and other environmental
areas.

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The mighty mice in space or rodent research
19 investigation will research features that

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influence muscle degradation to prevent skeletal
muscle and bone loss during spaceflight and

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enhance recovery following return to Earth.