A shining black triangle, bigger than a warship, hanging motionless over a moving cruiser. Red, blue, and green lights at its corners. Then, in an instant, it was eight miles away. A triangular craft, black and featureless underneath and mirror-bright on top, ringed with coloured lights at its corners and a large amber light at its centre, holding position over a ship under way before jumping miles across the formation in the blink of an eye and performing a display of movement he says no con...