Three soldiers entered the tent, moving in slow motion—black-armored figures, helmets snug over their faces, crouched low, and their rifles leveled.
...
	John spun to face the left-flank gunner, assault rifle leveled at the man’s head instantly. He had the man in his sights, but he still had time—the soldier was not quite in position. To John’s enhanced senses, amped up by Cortana and the neural interface, the rifleman seemed to be moving in slow motion. Too slow.