Live coverage of Delta 4 countdown and launch

The United Launch Alliance Atlas 5 rocket blasted off Thursday night with NASA’s Magnetospheric Multiscale satellite quartet in a successful flight from Cape Canaveral.

United Launch Alliance’s next-generation Vulcan rocket will lift off from the company’s existing Atlas 5 launch facilities in Florida and California, according to the company’s Vulcan program manager.

A Delta 2 rocket has lifted off from California’s Central Coast on Saturday with a NASA environmental satellite designed to improve flood and drought forecasts, map moisture in Earth’s soils, and track the planet’s water cycle.