Watch live views from the Kennedy Space Center’s launch pad 39A as SpaceX prepares for the first flight of the Block 5 Falcon 9 rocket. The rocket is scheduled to launch the Bangabandhu 1 communications satellite no earlier than 10 May.

Rocket Lab’s second launch from Virginia took off at 6:38 p.m. EDT (2238 GMT) Thursday. The company’s carbon fiber Electron small satellite launcher carried two commercial radar remote sensing satellites into orbit for Capella Space.

The United Launch Alliance Atlas 5 rocket with the NROL-52 spacecraft aboard moved to the launch pad this morning for liftoff Saturday to serve the national interest. Liftoff is scheduled for 3:31 a.m. EDT (0731 GMT).