Oklahoma GOP Governor Kevin Stitt has announced that he has appointed Tulsa energy executive Alan Armstrong to the United States Senate, filling the vacancy created by Markwayne Mullin’s recent confirmation as the new secretary of Homeland Security.

The National Aeronautics and Space Administration (NASA) has revealed plans to build a base on the moon, repurposing its Gateway program —originally designed as a lunar space station—to help establish a sustained presence on the surface.