Photos: Atlas 5 on the pad at sunset

Air Force meteorologists are expecting good weather to launch the Delta 4 rocket with a military communications satellite Wednesday evening from Cape Canaveral.

The European Space Agency’s Solar Orbiter spacecraft — assembled in Britain and set for liftoff in February — has completed environmental testing in Germany and is scheduled to ride a cargo plane to NASA’s Kennedy Space Center in Florida to begin launch preparations Oct. 31, several weeks earlier than planned to avoid complications stemming from Brexit.

Watch NASA’s Orion inflight abort test post-launch news briefing, held at the Kennedy Space Center two hours after the test.