XCOM: Enemy Unknown trailer - our civilization's last hope

The XCOM forces are humanity's last hope against an extraterrestrial enemy with insidious intentions. Not beholden to any world government, they operate with impunity, exterminating alien forces to save what's left of the Earth. This new trailer premiered at E3, and now we're happy to bring it to you:

Seems like Firaxis is doing a bang-up job on this tactical game, no? For more info, check out our XCOM: Enemy Unknown hands-on preview and watch for this sci-fi adventure to hit PS3, Xbox 360 and the PC with a release date of October 9.