Alien DeceptionMysterious High-Altitude Flight Corridor Was Opened Up Between Area 51 And The Pacific Posted on March 21, 2021 by Administrator The details strongly point to the comings or goings of a high-flying aircraft between either Area 51, also known as Groom Lake, or the Tonopah Test Range Airport, two of the U.S. military’s most closely-guarded flight test facilities, and the Pacific Ocean to the southwest of San Francisco, California.