Questions tagged [military-defense]

For questions about strategies and structures for defending from a particular type of attack

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5
votes
3answers
349 views

How effective would the White House serve as a fortress or makeshift Forward Operating Base/FOB?

So in my world, the entire White House area has been turned into a small fortress/FOB. Due to the post-apocalyptic dystopian state of my world what with zombies, breakaway secessionist states, hostile ...
6
votes
8answers
516 views

How Many Soldiers are Needed to Patrol/Defend a Medieval Wall?

I have a walled city in a medieval RPG setting. It's out in the middle of a desert and has an impossibly efficient means of acquiring water and producing food off of farmland inside the walls (magic ...
5
votes
8answers
3k views

How to survive a siege for fifty years?

A long and costly war is finally coming to a close. The rebels are losing territory fast and only have rolling hills to guard their last city. According to the scouts, the imperialist regime is about ...
2
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1answer
89 views

How can the dragon NORAD keep everyone safe and in its sights with minimal resources?

POV: Dragons live in an island group, referred to as Io's Blood. While there's still some tension between its resident clans, they managed to come together under The Council of Wyrms, which acts as ...
5
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5answers
471 views

How can a WW-II style bunker be hidden?

Besides the obvious steel entry doors, I am most concerned about air-inlets and exhausts. Electricity for essential things like lighting, ventilation or pumping water is generated by diesel generators....
2
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3answers
181 views

Realistic protection from rayguns?

Ok, this is kind of two questions in one In a scifi setting where laser or plasma are the main weapons, what sort of system would be used to protect from the heat and radiation? My idea was a heat ...
18
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4answers
5k views

How to fight an Eldritch Abomination

The Situation The fantasy world of Terrearth is once again threatened by the Shadow, a sentient, but completely unintelligible being composed of Absolute Evil, whose sole purpose is to destroy the ...
3
votes
3answers
253 views

How to regulate or control an intergalactic highway?

Background: This universe is set 500 to 700 years in the future. Humans have been able to expand across the galaxy using a series of “star gates”, basically 5 mile wide rings that warp space to ...
10
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5answers
908 views

Best way to defend against a army of 100 thousand? [closed]

So our protagonist city-state is a decently sized, rich in resources, and populated(think 100 thousand people) kingdom with Early Medieval Dark Ages technology(no gunpowder or cannons). The attacker ...
3
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3answers
134 views

Defense of Atlantis?

In my alternate timeline, the original Atlantean civilization perished around 1,500 BCE. Around 1000 BCE, humans once again find Atlantis, this time with 10,000 Greek outcasts fleeing from persecution ...
5
votes
3answers
236 views

How would you design a space station able to ricochet off railgun bullets?

In space somewhen in the future there's need to build a space station able to sustain heavy railgun fire. How would you design it? I was thinking about building something similar to a 17th century ...
6
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5answers
161 views

How to defend a sailing ship from a wyvern

Pirates are always a threat, but this particular coastal city has another worry - wyverns. In order to get from said city to open seas, the ships must traverse about 600km towards the exit from the ...
16
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6answers
2k views

How to accomplish planetary independence

Inspired by this question: How many of a Typical Sci Fi Army would you need to take a planet? Let's have a Galactic Empire which spans the galaxy. The Empire is ruled by The Emperor from one central ...
9
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12answers
3k views

Defending a planet's surface from ships in orbit

For a story I'm writing I'm planning a large-scale battle between human mercenaries on the surface who will eventually come under attack by hostile alien forces. At first, the fight will feature small ...
29
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12answers
5k views

How could a secret terrorist organization rise to great power without anybody really noticing?

My first question, be kind please! :) I'm thinking about an organization like COBRA from the G.I. Joe comics. For those unfamiliar, COBRA is a nationless terrorist organization bent on world ...
3
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4answers
203 views

Nano-storm horror, and how to defend against potential warcrime tech [duplicate]

Preface: The setting is a homeworld exoplanet of an alien species, abandonded (save a hibernation cycle-style subterrainian research settlement) for conservation after a 10 000+ year prior climate ...
9
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7answers
426 views

How might you design a solarpunk military?

So the ideal of solarpunk is obviously that you would not need one, but if not every nation went in a solarpunk direction at the same time, you would likely need a defense against those that did not ...
22
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20answers
7k views

Defenses against someone moving at 1500+mph

This question is about speedsters and defending against them (Dr Wells' gun thing doesn't work). There is a speedster. His 'cruising speed' is about 1000 mph, but can get up to 2000 mph if needed. ...
5
votes
11answers
3k views

What explosive mines discriminate against hovercraft?

Tech level is post WW2 era. Hovercraft is often loaded with tons of explosives which is then set off within the proximity of an enemy vehicle or infrastructure, they can cover a large distance in a ...
2
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4answers
151 views

Defending a kingdom against highly arboreal (6-limbed) enemies

Before getting on to the main topic, I should point out that the defenders and attackers are both the same species, no humans are present in this scenario, as it does not take place on Earth. The race ...
20
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5answers
4k views

Rhino cavalry charge! How horrible would it be?

There have been questions asking if rhino, hippo and other similar kinds of cavalry are feasible. Now let's for a moment skip that and assume we have some special means, on the end of which, we get ...
4
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6answers
1k views

Would this presidential directive be practical to implement?

So I currently have something call the National Defense-Continuity Directive (AKA Directive 0), which is basically a national call to arms. Directive 0 is only signed off on when there is a truly ...
7
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5answers
489 views

Feasibility of Energy-Absorbing Shields

So, I was looking at what defines the most interesting type of forcefields, and there came an interesting kind of forcefields that, rather than deflecting or dispersing energy, seems to absorb energy. ...
6
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10answers
1k views

What should my military’s combat-utility uniform be?

For some backstory, the United States Garrison is the new military of a post-apocalyptic US where modern civilization and every single country around the world fell due to zombies and a ravenous virus ...
5
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4answers
355 views

In a general sense, would it be better to equip troops with plate carriers, body armor, etc. if they’re fighting against zombies?

In a general sense, would it be better to equip troops with plate carriers, body armor, etc. if they’re fighting against zombies? Right now, my Troopers (what someone in the US Garrison is called) ...
1
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2answers
91 views

What defensive technology for starships that would make them invulnerable? [closed]

Imagine a science fiction universe where... most races have a large amount of excess energy (i.e., fusion), AGI is very rare (not a consideration), interstellar travel is fairly standard via ...
10
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6answers
620 views

Tactical influences of an entirely electricity-based arsenal on starships?

Assuming a world where starships don't use missiles and bullets in combat much. They only carry those as a final strike or for convenience. Their arsenal is almost entirely composed of electricity-...
4
votes
7answers
938 views

What should I consider when making walls or fortifications that can stand against zombies, bandits, and enemy militaries?

So recently I’ve decided to add a wall to Washington, DC and this is where the wall (named Federal Wall) would end up encircling, with the area being within the Wall being known as the Federal Defense ...
6
votes
5answers
407 views

How practical are walls and other tall fixed fortifications when it comes to the defense of a city in a post-apocalyptic setting?

I want to have Washington, DC have a militarized defensive wall (called the Federal Wall) somewhat similar to the Hoover Dam but with artillery, air, and infantry support stationed on its (imagine ...
0
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2answers
84 views

Defending against poison bullets [closed]

The United States Army has recently adopted poison bullets. These poison bullets basically kill anyone that they touch. The poison acts in 10 seconds which is longer than it takes to cure the person. ...
5
votes
1answer
72 views

How could the connections of a hivemind work to ensure it can't be jammed or tapped?

So, Armchair Chem is an evil corporation that has access to technology some consider unnaturally ahead of its time (the correct term is anachronistic, but whatever). One such is the Replica Forces. A ...
1
vote
0answers
81 views

Can a group of sufficiently trained and armed high school seniors form an ad hoc force and defend against a battalion of militiamen? [closed]

Yeah this sounds really crazy but hear me out. So I’m working out this semi-alternate history and post-apocalyptic story that’s essentially similar to The 100, The Division, The Hunger Games trilogy,...
31
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19answers
6k views

How would one attack or lay siege to a flying castle?

So we already know that flying creatures are good at attacking castles. But what about a flying castle attacked by ground creatures? Let's say we have ourselves a medium-sized castle built on a ...
8
votes
8answers
362 views

“Technological purge” in response to singularity-type event

It's modern day, and a newly emerged artificial intelligence threatens humanity. Originally designed as a highly-adaptable Stuxnet-like virus for military use, it grew beyond the bounds of its ...
18
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7answers
8k views

U.S. Army/Military's response time to an army appearing in the middle of a major city

In the scenario I have in mind, a handful of portals appear in a major U.S. city from which an army of golems starts pouring forth with the intent to cause as much damage as possible. The specifics ...
6
votes
4answers
759 views

City defenses against kaiju attacks?

In this series I'm mulling, kaiju have been around since prehistory, turning up off and on right up until modern times. In the near-future of this alt-history, say in the next twenty years (2040ish), ...
4
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6answers
2k views

How big should my particular military be under post-apocalyptic conditions?

So some background so that you’re caught up: In the world that I’m working on now, in 2005, the deadliest plague in history struck the world. The Black Flu as it was called caused havoc and ...
1
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3answers
149 views

Feasibility of Traveller’s Nuclear Damper

Traveller is prone to creating a variety of odd weapons at higher Technology Levels, and I think it would be interesting to look at some of them. In this case, a Nuclear Damper is a passive ...
6
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3answers
1k views

Defense procedures in case of encountering robotic alien locusts

The Swarm are a species of semi-intelligent insectlike alien robot evolved from a self-upgrading machine designed to clean space junk. They are widely known in the galaxy and regarded as a threat, yet ...
17
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18answers
2k views

In a world of magic, why would cities still find high walls useful?

In a world where magic exists. A large army can hire several mages that able to cast spells as, or even more, powerful than a 16-19th century cannon. The city walls will not keep out a determined mage ...
5
votes
6answers
309 views

Why would two completely different species, who are newly adjacent to each other, not go to war?

Say portals randomly opened up on Earth that lead to an occupied alien planet, the denizens from one planet can survive on the other, and it's confirmed for both sides that the portals were not ...
-2
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3answers
136 views

How can medieval knights fend off against army of radioactive ghouls? [closed]

On the night of November 27, 1419 somewhere near a river bank the water glows bright blue. It was due to a phenomenon known as Cherenkov radiation which was unheard of back then, all these high energy ...
6
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13answers
3k views

How would one defend against a being that can turn parts of itself intangible at will? [closed]

There are a number of stories that contain a being that can turn parts of itself intangible at will, meaning it won't interact with most objects: The twins from the second Matrix movie; The demon ...
2
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2answers
125 views

Best Northern Australia location for a colony in 1700

So I'm doing a story where the time traveling MC decides to make a go for Australia in 1700 before any other powers start giving it some attention. What I'm debating on is where is the best location ...
0
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6answers
1k views

Can a secondary fuel economy ever be hardened against attacks?

If a society fully centralized their energy supply to a secondary fuel (artificial energy source like Hydrogen or batteries), the public loses the ability to directly access energy from the earth. ...
6
votes
6answers
854 views

Planetary Defenses Against Interstellar Grey Goo Cloud?

I'm writing a story in which a cloud of grey goo is entering the solar system and humanity must prevent any particle of it from reaching Earth (and potentially other worlds too). Alternately, I need a ...
2
votes
6answers
302 views

Establishing an empire in a world with flying ships

In What would an age of sail flying ship look like?, my answer suggested ships that fly using 'keels' that utilise a difference in physics to that of our own world to achieve flight. Now, I am trying ...
4
votes
1answer
244 views

Internment camp for magical beings

TLDR: What would an internment camp look like, if it were designed for magical beings in a high medieval society (with no gunpowder, but fantastic metallurgy)? Setting/Context I am building a world ...
4
votes
5answers
120 views

How could an overseer of a space colony make sure that the defensive weapons the settlers are using cannot be turned against him?

I have this idea of a mining colony on an isolated planet. It's a dome like structure in a middle of an desert surrounded by a force field and some physical walls. The complex is lead by an overseer ...
1
vote
1answer
88 views

What should I call the troops in my world where the US military consolidated into a single, unified force? [closed]

So basically, for some backstory, rising sea levels and a viral pandemic known as the Black Plague both killed off billions of people in 2015. During that time, due to the collapse of every country ...