Brazil’s Federal Prosecutor’s Office has signed a landmark agreement with Elon Musk’s Starlink to limit the use of its satellite internet service in illegal mining and other criminal operations in the Amazon.

It was slated to fly its highest "hop" test yet, to about 65 feet off the ground, and SpaceX set up a webcast for the event. When contacted by CNN Business Thursday, SpaceX spokesperson James Gleeson said he could not immediately provide additional details about the test. Starhopper is designed to be an early precursor to a deep-space exploration rocket called Starship. The tests are "designed to test the boundaries of the vehicle," said Kate Tice, a SpaceX engineer, on a livestream of the test Wednesday. Wednesday's test was set to be the first untethered flight attempt.