Watch a replay of SpaceX's fifth launch for Iridium

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The SpaceX Falcon 9 rocket delivered a group of 10 satellites into orbit for communications firm Iridium.

SpaceX did not attempt to recover Falcon 9's first stage after launch.

Shortly after launch, SpaceX is probably going to make another experimental attempt to guide the rocket's nose cone, also called a payload fairing, onto a passenger ship outfitted with a giant net. However, it is attempting to recover part of the fairing, which is the nose cone on the top of the rocket that protects the satellites on their way into space. Mr. Steven will then try to grab one half of the fairing before it hits the ocean.

SpaceX requested a waiver so it would only need to fly 1,600 satellites in that period, arguing that it would be physically impossible to launch all 4,425 during the same period-a launch cadence of 60 satellites per month.

SpaceX previously tried to catch the fairing back in February 2017.

In one departure from typical SpaceX launches, the company cut the live video feed from the Falcon 9 second stage about 9 minutes into the flight. To do that, Iridium has bought eight Falcon 9 launches for a total of $536 million. The fairing did land intact in the ocean, thanks to parachutes that slowed its descent.

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On Thursday, marine tracking sites showed the ship headed out into the Pacific Ocean toward a location dubbed "Iridium 5", which is the name of Friday's mission. It was unsuccessful in recovering it, because the fairing just missed the boat by a few hundred yards.

"Mr Steven is 5 mins away from being under the falling fairing", Musk tweeted after Friday's launch.

Lightsey, the aerospace engineering professor, said parafoils can guide objects to fairly precise landings.

SpaceX has mastered the ludicrously complex maneuver of guiding a first-stage rocket booster back to Earth.

But landing the fairing will be hard.

Taking risks that others may balk at has always been SpaceX's MO. The company is on pace to have its busiest year of launches ever. SapceX has been working for a long time to ensure that its Falcon rockets can be used repeatedly, which will save a ton of money since SpaceX won't have to construct new rockets for each launch it performs.

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