A triangular spaceship long forgotten, Artemis remained buried deep under a layer of top soil after crash landing on Earth. It's occupants were kept in stasis by the ship until June, 2013, when erosion finally uncovered enough of the ship for it to regain normal function. As they awoke, they knew that their mission would be successful given the slow technological progress of humans.

Strength
Advanced technology.

Strength Source
Alien power source.