Come on, guys. Everyone knows that X-Com has been developing terrestrial and submerged alien fighting technology in secret for years, simply waiting for the impending invasion to start while the Men in Black keep us oblivious to the aliens that are already among us so that we can go on with our mundane lives. Meanwhile the Stargate initiative is using discovered alien technology to explore the galaxy, to make alien allies, and prevent malicious alien symbionts from attacking. And the whole thing is administered from an underground bunker at an off-the-record airforce base in southern Nevada as well as coordinating the actions of branches of the Bureau for Paranormal Research and Defense in New Mexico and Connecticut.
A few months later Battlestar Galactica returns to Earth.
Nooooooooooooooooooooooooooooo~~~~~~~~