Maybe it was true what all the rookies were saying, that his fabled luck had deserted him. Or perhaps it was simpler than that. Perhaps, like the rest of us, in spite of all the juvenat treatments, he was simply getting old.

‘He’s never fought anyone like Richter before,’ Anton said. ‘Some say the traitor is as good as the Lord High Commander was in his glory days.’ He paused to let that particularly gloomy thought sink in. Anton did not like the fact that the enemy commander here on Loki had been one of our own, a favoured protégé of Macharius and his best pupil, until the day he had decided to start building his own little private empire here on the galaxy’s bleak far edge.

‘But you don’t agree with them, of course,’ I said. Saying a thing like that was dangerously close to treason. I had heard it muttered, though, even by soldiers of the Lion Guard, Macharius’s personal bodyguard. There was a sense of shock to the whole thing. Some of us had known Richter – we had fought alongside him and his regiment for almost a decade. And then one day, he had just turned, gone native, turned against us here on this hell world. What was most alarming was the thought that if it could happen to him, seemingly Macharius’s heir apparent, who else could it happen to?

‘Of course I don’t,’ said Anton. ‘What kind of idiot do you take me for?’

A lock of hair poked out from beneath his helmet. It was greying now. The stubble on my own chin was grey too. Juvenat holds back the years but it cannot stop them rolling by. It merely slows down the effects on your body and, some say, it has other side effects. Everything has its price and extended life has the highest price of all. I felt tired sometimes when I should not.

‘I don’t doubt we’ll see reinforcements,’ said Anton, suddenly serious. All of his life he had the greatest faith in Macharius and even if he sometimes complained he never liked to leave that faith in doubt for any length of time. ‘I just worry about the quality.’

He did not quite bellow it. He was trying in his way to be tactful, but with all of us he shared the veteran’s contempt for the newcomers. That too, like old age, is something that sneaks up on you. It did not matter how often I told myself that we had all been as green as these newcomers once, that the only way soldiers got to be veterans was starting as neophytes and living long enough to learn.

I could not suppress a certain irritation any more at the fresh young faces around me in the trenches and bunkers. I was glad none of them had decided to join us for a smoke in the rain. I could barely hide the contempt I felt for the way they did not have sense enough to throw themselves flat at the first hint of incoming shells and at the way they cowered in cover too long afterwards.

They did not move to the same beat as those of us who had been on the front line for so long. You were always having to wait for them to catch up, and then having to tell them at other times not to rush ahead and get themselves killed. I could see some of the Grosslanders looking at us now, heads poking out round the improvised door-holes of their bunkers, unlined faces staring out with scared and trusting eyes.

Or maybe it was just that they were young in a way I was not, all appearances to the contrary notwithstanding. Maybe I was just jealous.

The smaller moon jumped over the horizon and raced across the sky like a drunken charioteer. Its orbit was much lower and faster than its huge brother, more like a comet or a meteor than a satellite. It was visible through the gaps in the clouds as it careened across the sky above us.

A trench rat emerged from its hole and glared at us with its horrible intelligent eyes.