I have successfully committed accidental genocide!
That tiny little NPR that used the 27-missiles-every-ten-seconds/I-wanna-be-a-Macross-Missile-Massacre vessel? Yeah, turns out their only colony died.
I used my FACs, which carry 12 size 5 missiles. I had ONE FAC use HALF its missile tubes to annihilate the ground forces on the planet....and the population died as well. I then found another planet! But it turns out it was uninhabitable and was being used only as a defensive post. In fact, the enemy warship that gave me so much trouble earlier was there.
Turns out, my new Size 10 MIRV ---> 2 Size 3 ASMs works pretty darn well. Wasted a few missiles because I don't bother with active sensors. I'm going to have to upgrade missile engines, if at all possible, so I can dedicate some space to a sensor. Anyway, I then annihilated a missile defense base on the rock. But there was a beam defense base as well, and that one was a tremendous pain. It just would not die. Forced me to burn through most of my armored size 10 ASMs (Specifically built to punch through those blasted antimissile swarms, they travel at 38000km/s and have 2 points of armor. Sadly, only 6 points of damage). Finally it died, and I realized "Hey wait...no more aliens...."
And thus did I commit genocide. Guess they should've been less xenophobic.