NASA's Lunar Trailblazer, a small satellite designed to map water on the Moon, lost contact with ground control just hours after its successful deployment aboard a SpaceX Falcon 9 rocket. Mission operators detected power system issues before communication was lost.

NASA’s Lunar Trailblazer hitched a ride on a SpaceX Falcon 9, successfully deploying into space. But soon after, the mission hit a snag — engineers discovered power system issues that led to a loss of communication.