SpaceX and NASA aim for historic launch

By CNN Business' Jackie Wattles

Updated 11:20 AM ET, Sat May 30, 2020
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3:57 p.m. ET, May 27, 2020

Superstitions: Chili, popcorn and green socks for a good launch

From CNN Business' Jackie Wattles

Earlier this week, a group of NASA personnel gathered to take a picture with the Crew Dragon spacecraft and rocket on the launch pad. And it wasn't just for the memories: It's something they do before every mission and there's definitely some superstition around it.

And after launch, they'll dig in to bowls of chili. In the Space Shuttle days, they used to eat just beans. But, as one NASA official told CNN Business, some traditions are being tweaked for this new era of human spaceflight.

Over at the weather squadron, which is part of the military's 45th Space Wing, no one is allowed to wear red socks — the color code for inclement weather.

Food is also involved: "For every launch, about 30 minutes prior, we will bring out a big box of popcorn, and everyone will have a handful."

The reason? The weather group liked their popcorn. But before the fatal destruction of Space Shuttle Columbia in 2003, no one made a batch. So they resolved never to skip the popcorn again.

4:08 p.m. ET, May 27, 2020

SpaceX: We have our fingers crossed

From CNN Business' Jackie Wattles

SpaceX began what's called the "Go/No-go poll" now that we're about 45 minutes away from liftoff.

Right now, the weather is still a bit rough, and it's not clear if conditions will ultimately look good enough to light the engine when the countdown clock runs out.

"Everything is trending in the right direction," said SpaceX's John Insprucker. "We've got our fingers crossed."

SpaceX decided to move forward with fueling the rocket. More than 1 million pounds of propellant will be funneled into the Falcon 9 over the next half hour. Meanwhile, the astronauts are still sitting tight inside the Crew Dragon capsule, which sits atop the rocket.

4:20 p.m. ET, May 27, 2020

Weather update: Not looking good

From CNN Business' Jackie Wattles

SpaceX's John Insprucker said the latest update on weather from the 45th Space Wing is "red." That's the code for weather too severe to permit liftoff.

It's still possible things will clear up before the liftoff time of 4:33 pm ET.

3:45 p.m. ET, May 27, 2020

SpaceX's special cargo: An art piece and a nod to the 2020 graduates

From CNN Business' Jackie Wattles

SpaceX put a couple pieces of special cargo on board with the astronauts for today's launch.

First, a piece of art made of gold, brass and aluminum — meant to signify how far the space program has come and how far humanity has to go in exploring the cosmos.

Second is a mosaic of more than 100,000 photographs of 2020 graduates from all over the world. The composite image makes up an image of planet Earth.

3:39 p.m. ET, May 27, 2020

How NASA and SpaceX keep an eye on the weather

From CNN Business' Jackie Wattles

To make sure this rocket makes it safely into Earth's orbit, SpaceX and NASA will need a bit of luck when it comes to Mother Nature.

The 45th Space Wing, an arm of the US military, is constantly monitoring the weather — both at the launch pad and across a broad stretch of the Atlantic Ocean.

The team uses all sorts of instruments, including radars and weather balloons, to ensure that the rocket will have a smooth ride all the way through the upper atmosphere. And conditions are monitored at sea as well: If the rocket misfires and SpaceX's Crew Dragon capsule needs to use its emergency abort system to jettison the astronauts to safety, they'll land in the ocean. And that means officials must ensure that landing won't be made more dangerous by a severe storm or rough waves, so they scan a massive stretch of the Atlantic Ocean all the way to the coast of Ireland.

The 45th Space Wing's weather squadron keeps in constant contact with SpaceX officials, and together they make the final call on whether to move forward or hold off on launch.

2:54 p.m. ET, May 27, 2020

President Trump flies by launch pad on Air Force One

From CNN Business' Jackie Wattles

President Donald Trump just arrived at Kennedy Space Center aboard Air Force One, and the plane took a quick detour over the launch pad to get a good view of the SpaceX rocket and Crew Dragon capsule.

The aircraft will land at the Shuttle Landing Facility — the same site where Space Shuttle orbiters used to land when they returned from space.

2:51 p.m. ET, May 27, 2020

NASA astronauts are locked in to spacecraft

From CNN Business' Jackie Wattles

After taking a brief moment to keep an eye on the weather, the hatch was closed on the SpaceX Crew Dragon capsule holding astronauts Bob Behnken and Doug Hurley.

They'll stay locked inside the capsule, waiting for liftoff, while launch officials continue to monitor for storms and technical issues leading up the 4:33 pm ET liftoff time.

Just now, SpaceX carried out a series of communications checks to make sure the astronauts have contact with mission controllers at NASA's Johnson Space Center in Houston and SpaceX's mission control in Hawthorne, California.

On acronym you may hear flying around on the livestream during checks is "GNC" — which stands for "Guidance, Navigation and Control."

2:42 p.m. ET, May 27, 2020

How much is this going to cost?

From CNN Business' Jackie Wattles

NASA has paid SpaceX a total of more than $3 billion via a fixed-price to build and test Crew Dragon. And one new analysis from the nonprofit Planetary Society suggests that, compared to previous NASA programs, the deal is a bargain.

As for the Russian Soyuz spacecraft, which has been the only vehicle capable of carrying humans to the International Space Station for a decade, there isn't really a straightforward comparison.

Soyuz seats have cost NASA up to about $86 million each and around $55 million on average over the past decade, according to a 2019 report from NASA's Office of the Inspector General.

That same report estimates that Crew Dragon seats will cost NASA about $55 million each. But those are estimates based on a contract that doesn't clearly define the per-seat cost.

3:18 p.m. ET, May 27, 2020

Tornado warning near Kennedy Space Center

From CNN Business' Jackie Wattles

It's still more than two hours until liftoff time, but conditions aren't looking great.

Brevard County, home to the Kennedy Space Center launch site, was briefly under a tornado warning. That warning ended at 2:15 pm ET without any visible twisters coming near the launch site.

Flashes of lightning and thunder claps are a common occurrence, but weather officials are hoping it will pass before takeoff at 4:33 pm ET.