Now I spoke into the distance-phone another order, and our ships were swiftly forming into their triangle formation, were racing forward again at rapidly mounting speed to the east, air-forts and deadly mines and questing outer patrols out of sight. And now, as with Macklin and Hilliard, who had joined us from beneath after his work with the cruiser-finders, I gazed forth, I could see that the great layer of mists beneath us was thinning somewhat as we raced on, knew from that fact that we had raced from above the Atlantic and now were moving far above land, since always these mist-layers were far denser above the sea than above land. That land over which we were now speeding could only be that of southwestern England, I knew, and even now our flashing triangle of cruisers was veering further to the south to avoid the great air-city of London. Then, as we hummed on eastward at the same great height as before, we made out a great mass of lights far to the north, a mass of white lights that hung high above the earth and that glowed toward us like a single soft light through the mists that lay between it and our eastward racing ships, smaller beams stabbing and circling from it. There were needed not the exclamations of Macklin and Hilliard beside me to inform me of that great light-mass' identity, for an air-city of that size in this region could be but London. The great city, I judged, had moved eastward somewhat from its usual position over the center of southern England and further away from the great chain of air-forts and mine-fields that guarded it to the west. It was not London, though, that was our flying force's objective on this night, and we raced onward with no backward glances toward it, peering ahead with growing tenseness. Far below us we could glimpse, now and then, occasional formations of merchant-ships flying toward or away from London, and convoyed usually by a half-dozen war-cruisers, but these were far beneath and as we were showing no lights and rushing on at tremendous speed they did not glimpse us. No patrols were in evidence now about us, the main reliance of the European Federation air-chiefs having apparently been put upon their great outer circle of air-forts and patrols, through which we had managed to break. Nor, was it evident, did they dream that the American Federation, depleted as its fleets were despite their victories in the battles of the day before, would attempt any such daring attack upon an enemy so superior as we were rushing upon now.