I looked out to the sea, where there were still floating bodies marked with puddles of bright dye. We’d sent our dead up to the world of sunlight that way, but now that we’d been chased out of ocean, it simply looked gruesome. No one had gotten to the dead yet, there were too many wounded and suffering from decompression sickness for them to be gathered any time soon.
The demoralization of my men got to me as I walked among them. I wondered how many of my men had quietly considered another obvious option: we could throw down our arms and abandon Andros. If we simply evacuated the island, the Macros might well march over it, find nothing of interest and declare themselves winners. Every human in Star Force could live on the rest of the planet. None of us had to again face the horrors that now brewed beneath the waves or above the clouds. Some of my men must have thought of this, and I knew the thought would turn into words in time, and then it would spread and invade the mind of every marine. Why fight if we could not win? Why not retreat, build-up and wait until the Macros grew tired of circling our world and went to pester some other trouble-spot in their empire?
I might have fallen prey to this kind of thinking if I’d not seen the Eden system myself. I imagined now that the herd peoples we called Centaurs had at some point been faced with a similar choice. Since the surface of their worlds were overrun by Macros, I had to assume they had negotiated to survive on their satellite habitats. The Macros had encircled them, just as they did to us now. But the machines hadn’t left. The enemy hadn’t forgotten the Centaurs. They were patient beyond measure. What meaning did passing years have for a race of machines? They bided their time, and had already made attempts to bypass their arrangements with the defeated herds. They had used us for precisely such a purpose.
I could well imagine Earth enduring a similar fate, with the Macros bringing a third party of killers to root us out once and for all. They would never forget us. They would never retreat. They would never leave us alone.
My ruminations led me to an inescapable conclusion: we had to fight this battle, and we had to win it somehow. My men required a morale boost in order to stay effective. I thought for a minute or two, and came up with a plan to keep their minds in this fight. Something to give them hope. We would busy ourselves with fortifications. We would prepare for the inevitable Macro assault we all knew was coming with a fresh set of defenses.
A few hours later, I had my entire force off the beach and back inside the burnt-out husk that was our base. The clean up and rebuilding had begun here, mostly evidenced by tireless crawlers and fit marines who stacked debris into earthen mounds. It was often easier, given Nano technology, to shove aside the old and rebuild fresh structures. Corrugated steel and concrete was outdated and had been surpassed by newer construction materials.
To start with, I dumped out a foot-thick bead of constructive nanites just beyond where the old concrete wall had stood. For years now, whenever our Nano factories had an idle moment, they’d been instructed to produce constructive nanites. We had thousands of tons of them stashed around the islands. Now was the time, I calculated, to make use of this resource.
The nanite lines, without orders, looked like mounds of metallic sand granules. They shone almost like liquid mercury in the sun, but were more textured than mercury. Too small for the human eye to pick out individuals in the mix, it looked like a single mass of gelatinous metal. Adding to the eerie look of them, the nanite mounds tended to move of their own accord, shivering, bubbling and slowly stirring in circular eddies. I could not recall ever having seen so many nanites massed in a single place as I did today.
When the entirety of Fort Pierre was encircled with the silver snake of nanites, I knew I had shifted the conversation among my men. They stared in fascination, wondering and speculating what I had in mind. What new trick was the conjurer about to perform?
I avoided looking at them. I stayed intently focused on my efforts. But secretly, I allowed myself a grin in the dark interior of my helmet. I had piqued their interest. Now was the time to move things forward.
I instructed the entire nanite mass to put up a thin outer wall of metal. I sent crawlers forward with pallets of metals for the nanites to chew up and spit out. We served up thousands chunks of raw steel, aluminum, tin and copper. The nanites dug into the metals like a hot meal and soon the walls were rising, blotting out the picturesque view of the beach. I knew Sandra would complain about that part, but this was a military operation and we were at war. Defense had to come first.
When the outer wall was a good thirty feet high, it was a yellowy color due to the mixing alloys. I knew the nanites were part of the mix as well, so the wall would be self-repairing if the enemy should blow a hole in it. The structure was tall, but only about two inches thick.
Barrera was the first one to approach me as I worked on the walls. Kwon tagged along with him.
“Colonel?” Barrera asked.
“What is it?”
“Um, I can see you are busy sir. Maybe I should talk to you after you are…uh, done with this thing.”
“Thing?” I asked, finally turning to look at him. “What does it look like to you, Barrera?”
“A wall sir.”
“What’s wrong with it?”
“Nothing, sir,” he said.
I stared at him, knowing he had more to say. Barrera looked at the thin walls doubtfully. At his side, Kwon shuffled from foot to foot slowly. I waited for them to speak.
“It’s just that—well, this is a very thin wall, Colonel,” Barrera said at last.
“Ah,” I said, “so that’s it. Well, tell the men I’m not done yet.”
“Okay, sir,” Barrera said. He turned around sharply and left me to my work. Kwon stumped off after him. Both men were frowning.
I chuckled and decided it was time to call in the crawlers again. All the while I’d been building this thin, high wall the crawlers had been following their standard programming to mound up the smashed rubble into mini-mountains. Like tall, ugly anthills, slag-heaps were everywhere around the base.
I ordered the crawlers to turn their blades in a new direction. They were to push the mounds of earth and debris to the perimeter, mounding it up against the outer metal wall I’d put up.
Once I had the machines working to my satisfaction, I called up Barrera and ordered him to put the marines on shovel duty. It’s hard to think about desertion and hopelessness while you’re shoveling your ass off, especially if you’re building something interesting and impressive. After another hour of work, the new walls were really taking shape. Looking at the wall, none of the men could doubt them now. The outer surface was inches thick of bright, reactive metal. Behind that was a mound of rubble ten feet thick at the top and forty feet thick at the bottom.
I walked the perimeter, making sure the walls stood a uniform forty feet in height. I had fresh barrels of nanites dumped over the mounds of rubble next. They covered the interior with a glaring metal skin of nanites and loose metals leeched from the debris. I nodded to myself appreciatively. The structure would serve fairly well as a defensive fortification against a ground attack.
The outside face of the walls was straight and sheer. The inside was slanted, as it was really metal covering mounds of dirt and trash. I began putting up the finishing touches, adding stairways and ramps to the top, and a crenulated line of battlements all along the parapet. I had marines set up heavy gun emplacements with clamshell turrets here and there then added automated lasers in-between all along the top of the wall.