Live coverage: Atlas 5 countdown and launch journal

These photos taken Friday evening show the mobile gantry being wheeled away from a United Launch Alliance Delta 4-Heavy rocket at Cape Canaveral, hours before its scheduled blastoff with NASA’s Parker Solar Probe.

A classified National Reconnaissance Office satellite mission assigned last month to launch on an Orbital ATK Minotaur 1 rocket will take off from Wallops Island in Virginia by the end of 2018, a U.S. Air Force spokesperson confirmed Wednesday.

A commercial Dragon cargo capsule wrapped up a four-week stay at the International Space Station on Monday with a departure from the complex at 12:01 p.m. EDT (1601 GMT). The spacecraft splashed down in the Pacific Ocean at 5:48 p.m. EDT (2148 GMT) with several tons of research specimens and equipment.