The world’s largest airplane, Stratolaunch, was recently rolled out of its hangar to perform some tests before it begins launching satellites into orbit as it was designed to do.

A demonstration of those capabilities could come as soon as 2019.

Here are a few astounding specs from the behemoth aircraft:

  • It is 50 feet tall and has a 385-foot wingspan.
  • It uses six Boeing 747 jetliner engines.
  • It has 28 wheels.

And here’s a closer look at the Stratolaunch: