Crossword-Solution: ULLR 4 letters, 9 clues 🏆 scrabble score: 4

But I'm going to Ullr on the next ship--the _City of Pretoria_--if we get the next blast off in time.

Being cold-blooded, they needed no clothing, beyond their belts and equipment, and the emblem of the Chartered Ullr Company painted on their chests and backs.

Fifteen years before, when he had come to Ullr as a newly commissioned colonel in the army of the Ullr Company, it had taken him some time to adjust.

That was the only natural fuel on Ullr; there was too much silica on Ullr and not enough of anything else; what would be coal-seams on Terra were strata of silicified wood.

There was less charcoal being burned now than formerly; the Ullr Company had been bringing in great quantities of synthetic thermoconcentrate-fuel, and had been setting up nuclear furnaces and nuclear-electric power-plants, wherever they gained a foothold on the planet.