"Very effective. That tank, last of the T-90s. Chemo Alpha. First generation Mark 1. The heaviest and oldest Jaeger in the service. But make no mistake, Mr. Becket, it's a brutal war machine. And those two: Sasha and Aleksis Kaidanovsky."
January 1, 1970
https://en.wikiquote.org/wiki/Pacific_Rim_(film)