Photos: Atlas 5 rocket aims for International Space Station

With the Space Launch System’s inaugural test flight now officially delayed to November 2021, NASA says work halted by the coronavirus pandemic will resume within weeks to prepare for the first test-firing of the SLS core stage at the Stennis Space Center in Mississippi.

Three inert Peacekeeper missile stages have been stacked at Cape Canaveral’s Complex 46 pad, demonstrating the techniques that will be used to assemble a Minotaur 4 rocket to launch an experimental space surveillance satellite this summer.

The U.S. Air Force has identified the launch of a next-generation GPS navigation satellite for the first in a series of competitive rocket procurements between United Launch Alliance and SpaceX, service officials announced Wednesday.