Invasion

"Story: In February 1942, U.S forces engaged with an unidentified flying object flying above Los Angeles. 70 years later, a team of researchers discover a massive, huge anancient alien-built that has been buried inside a mountain in Japan. The researchers don't know what it is, so they told the U.S forces to secured it. A week later, the hostile alien spacecraft, known as the Tatus, landed off the coasts of large cities. Los Angeles is evacuated while the U.S forces arrive."