According to wikipedia Machrihanish was "certified" as an emergency shuttle landing site. Local rumor is that it was used for SR-72/Aurora, black project flight

According to wikipedia Machrihanish was "certified" as an emergency shuttle landing site. Local rumor is that it was used for SR-72/Aurora, black project flights. Lots of conspiracy theories, e.g. https://www.theregister.com/2000/07/10/top_secret_us_plane_caused/ https://www.theregister.com/2000/07/10/top_secret_us_plane_c...