Atlas 5/Cygnus post-launch news conference

A Russian Soyuz rocket and Progress resupply freighter are set for liftoff Monday on an accelerated, less-than-four-hour rendezvous with the International Space Station after last-minute launch scrubs prevented two similar fast-track approach attempts in recent months.

The four RS-25 engines at the bottom of NASA’s first Space Launch System core stage shut down about a minute into a ground test-firing Saturday that was supposed to last more than eight minutes.

United Launch Alliance is giving members of the public a behind-the-scenes look during one of its Atlas 5 rocket flights from Cape Canaveral.