Miles is paralyzed with fear when she grabs Galen. But perhaps the Komarrans' training works against them, because he learned long ago to just automatically follow orders, even when he's terrified. Or maybe under the cowardice there's some loyalty and bravery that moves him even as his conscious mind is numb with panic. He goes for the weapon -

And then one of them, Lars, moves, grabbing viciously for Miles. Apparently deciding (correctly) that Nine's loyalty will make her prize Miles' life over her revenge on or hatred for Galen. Miles acts automatically, heel flashing out in a kick that shatters his kneecap; when he goes howling to the ground, the other foot smashes into his face, breaking his nose,

Miles goes for the shock-stick again. The other two are too nervous and uncertain to try anything more.

"Come - come on." His half-formed, half-executed plan flashes through his mind. He turns jerkily towards the door, gestures towards it. "We have to get out of here." No. He decides a moment later to repeat that, edited - the terrified bleat of desperation turning instead into a bravura, "We're getting out of here." And then he leads the way. "Come on."