Watch The SpaceX Rocket Launch

Elon Musk’s Space Exploration Technologies Corp., or SpaceX, plans to attempt another launch and landing of a Falcon 9 rocket on Thursday night.

The approximately 90-minute launch window is scheduled to open at 6:46 p.m. ET. Watch the live stream below:

The main goal of the launch from Cape Canaveral, Florida, is to deliver a commercial communications satellite called SES-9 into orbit for the company SES. A secondary objective is to land the 14-story rocket booster upright on a floating, football field-sized drone ship named Of Course I Still Love You.

However, the company says “a successful landing is not expected,” and predicts its fourth at-sea landing attempt will end much like the previous three: in flames.

A SpaceX landing off the coast of California ended in flames last month after a successful launch to deploy an international ocean-monitoring satellite.

In December, however, SpaceX made history when a Falcon 9 landed successfully on the ground about 6 miles from where it took off. Musk called it a “revolutionary” moment and a “critical step along the way to being able to establish a city on Mars.”

This is a developing story. Check back for updates.

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