Ziplines are used by thrill-seekers in adventures around the world, but now they are coming to the U.S. space program as the emergency escape system for personnel at Cape Canaveral’s Complex 41.

NASA has announced the nine finalists for the name of the space agency’s next Mars rover — scheduled for launch in July — and invited the public to vote on the candidates before making a final selection in the coming months.

Flight controllers at NASA’s mission control center in Houston have completed the robotic swap out of a failed power distribution unit outside the International Space Station, clearing a hurdle ahead of Friday’s predawn launch from Cape Canaveral of a SpaceX supply ship.