Questions tagged [military-defense]

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

Filter by
Sorted by
Tagged with
1
vote
2answers
109 views

Would it be viable to use air to deflect projectiles?

The initial problem is energy and the air. How would a mechanism like this work? Pressurised air inside a cylinder that is released when a projectile is detected? Instead of pressurised air inside a ...
24
votes
17answers
5k views

How could medieval ships protect themselves from giant mermaids?

Long ago when apes and hominids split off a third group began to live in the seas and became mermaids/seafolk. Among several species of mermaids, there is a species of "giant mermaids" who ...
4
votes
2answers
140 views

In a 12-Pointed Star Wall, Which Shape Would the Inner Wall Be for Maximum Defense?

In this generic scenario, there is a settlement protected by both an inner and outer walls. The inner wall protects an area of 72 hectares. Both walls are 40 feet tall and thick and made of brick. ...
8
votes
4answers
1k views

What are things to consider and keep in mind when making a heavily fortified and militarized border?

Here are some maps for reference For some context, in my world, from 2030-2040, an event known as the Great Collapse saw the human race pushed towards the brink of extinction due to Unidentified ...
7
votes
4answers
630 views

In what way could a small, non-magical force hold a castle against a larger, magically-abled force?

Say that through some subterfuge and the element of surprise, a small, well equipped force of soldiers managed to wrest control of a castle from a government. The government wants that castle back, ...
3
votes
4answers
2k views

How to protect a secure compound breached by a small modern military?

I am trying to work out some of the final details of a modern urban compound, surrounded by perimeter walls and a gate. A battle (modern urban warfare with firearms and grenades mainly) takes place ...
4
votes
3answers
370 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 ...
2
votes
1answer
120 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 ...
6
votes
5answers
567 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
votes
5answers
315 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 ...
3
votes
3answers
270 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 ...
5
votes
3answers
256 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 ...
3
votes
3answers
144 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 ...
4
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 ...
6
votes
5answers
186 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 ...
10
votes
5answers
928 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 ...
9
votes
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 ...
3
votes
4answers
210 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 ...
10
votes
7answers
476 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
votes
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 ...
20
votes
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 ...
2
votes
4answers
158 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 ...
7
votes
5answers
509 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
votes
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
votes
4answers
381 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
vote
2answers
94 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 ...
5
votes
8answers
639 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 ...
4
votes
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 ...
4
votes
7answers
963 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
421 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
votes
2answers
87 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
76 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
83 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,...
8
votes
8answers
365 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
votes
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 ...
4
votes
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
vote
3answers
158 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
votes
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 ...
5
votes
6answers
313 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
votes
3answers
140 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
votes
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 ...
0
votes
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. ...
2
votes
6answers
318 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
5answers
125 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 ...
4
votes
1answer
247 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 ...
13
votes
12answers
5k views

Could a small private island protect its sovereignty?

Imagine the modern day world where an eccentric billionaire (plus a small group of others) has decided to declare their private island as their own country. (lets say the island is about 1 square ...
2
votes
4answers
240 views

What Practical Reasons May Encourage an Empire to Build a War Academy Campus in a Fortress or Structure that can be mobilized for War

I have a large modern fantasy Empire in my setting, and it focuses on the exploits of several students in a military academy. At some point in the story, however, a war breaks out and the academy ...
16
votes
8answers
3k views

Does it make sense to occupy open space?

I was thinking about space as a measured and marked series of boundary lines to denote ownership and governance. The problem is that I'm having trouble seeing that as useful. If there's no particular ...