Your "Landing strip" is the Lockheed Martin Helendale RCS research facility. It's where we learn how to make planes invisible to radar.
Good article here:
https://www.thedrive.com/the-war-zone/15746/lockheeds-helendale-radar-signature-test-range-looks-right-out-of-science-fiction
Be sure to check out the 3 minute video near the end of the article,