Survey Team by Philip K. Dick - A brave new world or was it the long way home for these men?

Halloway came up through six miles of ash to see how the rocket looked in landing. He emerged from the lead-shielded bore and joined Young, crouching down with a small knot of surface troops.

The surface of the planet was dark and silent. The air stung his nose. It smelled foul. Halloway shivered uneasily. "Where the hell are we?"

A soldier pointed into the blackness. "The mountains are over there. See them? The Rockies, and this is Colorado."

Colorado... The old name awakened vague emotions in Halloway. He fingered his blast rifle. "When will it get here?" he asked. Far off, against the horizon, he could see the Enemy's green and yellow signal flares. And an occasional flash of fission white.