X-Men #19

"• With S.W.O.R.D.'s orbital headquarters, the Peak, literally hanging in the balance, the X-Men race into deep space to find the source of the new threat that's emerged from the abyss. • But little do they suspect that lurking in the shadows of the Acanti Skunkworks, a conspiracy is waiting to entangle them • And what's worse is that it's a conspiracy that has connections to the deaths of Rachel Grey's family! Rated T+"