Four astronauts from four countries are rocketing toward the International Space Station.

They should reach the orbiting lab in their SpaceX capsule tomorrow, replacing four astronauts who have been living there since March.

A NASA astronaut was joined on the predawn liftoff from Kennedy Space Center by fliers from Denmark, Japan and Russia. It’s the first time that four individuals from different countries have teamed up for a mission to the I-S-S together.

A Falcon launch team member congratulated the crew on the launch.

Thousands of spectators gathered in the early-morning darkness for the launch. Liftoff had been already been delayed a day.