In a breath-taking display at daybreak Wednesday, an Atlas rocket powered an enormous U.S. Navy satellite into space to close the last remaining gap and give global reach to the military’s new mobile communications system.

Starship completed a successful climb to approximately 10 kilometers altitude and then descended horizontally toward the landing site. It appeared to lose control as it was in the process of flipping back to a vertical position and exploded as it bellyflopped onto the landing pad. Watch a replay of the test flight.

NASA’s final pair of TROPICS hurricane research satellites lifted off on a Rocket Lab Electron launch vehicle from New Zealand on Thursday night (U.S. time). The two identical shoebox-size spacecraft launched at 11:46 p.m. EDT Thursday (0346 UTC Friday) from Rocket Lab’s privately-owned spaceport on Mahia Peninsula in New Zealand.