ET from launch complex 39A at Kennedy Space Center in Florida.
The mission was originallyslatedto launch on Sunday but was delayed due to bad weather.
The event will be livestreamed onSpaceXs account on X, previously known as Twitter.
The X-37B spaceplane.Photo: U.S. Air Force
With several weeks remaining, the company comes off as on track to potentially reach this significant milestone.
For more spaceflight in your life, follow us onX(formerly Twitter) and bookmark Gizmodos dedicatedSpaceflight page.
News from the future, delivered to your present.
The fairing holding the spaceplane.Photo: U.S. Space Force