But apart from the obvious hiding spots, why would aliens choose such a remote corner of the Earth? Some people suggest that it might just be the perfect testing ground for new alien craft and technology. With the combination of empty and secluded tundra nearby, and watery depths that freeze over in the winter, you couldn't pick a more secret training site.
Declassified Soviet reports seem to all testify to this one unavoidable fact. Obtained recently by Scobodnaya Pressa magazine, they show that the Russian and USSR military powers have all had surprising, unsettling, and even freaky encounters on or near the waters of the lake. In one report, high-ranking officers recorded a mysterious vehicle travelling at over 400 miles per hour - below the surface of the lake.