Questions tagged [military-defense]

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

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Why would aliens fill a quarantine space with inert gas?

While experimenting on a Mysterious Alien Artefact at a Super Secret Research Facility, the protagonists accidentally activate what turns out to be a homing beacon, and teleport everything in a sphere ...
Stephen's user avatar
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4 votes
4 answers
241 views

How to keep mermaids from invading offshore fish farms?

Reports of mermaids attacking offshore fish farms are on the rise, the govt prohibits any form of harm to the mermaids only add to the operators woe. Despite investing millions of dollars on ...
user6760's user avatar
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3 votes
3 answers
882 views

Would an Army using a controlled fire surrounding an opposing army in a heavily forested area be an effective way to destroy said army?

Imagine a scenario where Army A has received intel of the movement of Army B in a heavily forested area. Army A decides to spring a trap where in it sets fire to the forest encircling Army B, ...
KaiserVonMegalo's user avatar
1 vote
3 answers
612 views

How could one defend against a concentrated neutron beam in a hard sci-fi setting?

I'm thinking of adding a neutron beam cannon to my hard sci-fi setting (basically works by accelerating a bunch of ions and then shooting them at a beryllium foil target (see here). However, I don't ...
Jake's user avatar
  • 111
10 votes
6 answers
4k views

General rule to spacing towers on a medieval city wall

I'm workshopping a medieval fantasy setting and one of the primary locations is a large port city, located on a bay out to the ocean. I'm still early in development, but since this settlement is quite ...
Anonymaton's user avatar
4 votes
8 answers
3k views

What would be the primary weaknesses of massed archers?

Setting: In my world, there exists a nation that has a military primarily made up of archers. Each citizen is required to have a level of proficiency with a longbow, both in individual shooting and ...
LoganP98's user avatar
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9 votes
8 answers
2k views

What is the easiest fuel a blockaded, sanctioned nation can procure/synthesize during a war?

In my world, which is partially based on a WW2-style environment, there are two large countries, namely A and B, that are fighting each other. A is a Nazi Germany-type country with fine revised ...
Furious Arcturus's user avatar
5 votes
4 answers
898 views

Using gravimetry to detect cloaked enemies

In the future, a variety of different technologies to evade detection are employed, such as harmful sensory input that renders one incapable of perceiving the object that attempts to evade detection ...
user73910's user avatar
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1 vote
6 answers
2k views

What are the concerns with residents building lean-to's up against city fortifications? [closed]

In historical illustrations of cities with defensive walls, I have noticed that it is very rare for a non-defensive structure to be built directly adjacent to the inside face of the wall. A building ...
Pink Sweetener's user avatar
15 votes
14 answers
4k views

How can a pre-industrial civilization effectively defend against aerial attacks from large, fire-breathing creatures without the use of magic?

In my fictional world, there is a pre-industrial civilization that has advanced to a level of technology similar to that of the 15th-century Earth. This civilization is under constant threat from ...
dreamforge's user avatar
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3 votes
3 answers
160 views

Supersoldiers enabling man-powered vehicles

Just as an exercise in worldbuilding, imagine a world where genetic engineering (on subjects that already reached maturity, so no need to modify embryos and raise them to adulthood) creates ...
Paulo Raposo's user avatar
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5 votes
2 answers
901 views

How successful could rapidly spreading new predator be in world with today's type of development

I was rewatching Secret war from Love, Death & Robots and started wondering, would the monsters from that episode pose any actual threat in today's world? Let's assume the monsters have similar ...
user2511383's user avatar
12 votes
16 answers
5k views

What defensive invention would have made the biggest difference in the late 1400s?

One world I've been tinkering on for months is an alternate history where Europe did not colonise the rest of the world, different global cultures remained (more) independent, until in the age of the ...
wokopa's user avatar
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3 votes
9 answers
2k views

What is the least far-fetched way to defend against nuclear submarines? [closed]

Since the Cold War, nuclear powers have said "don't mess with me" using the Nuclear triad, nuclear warheads on bomber planers, missile silos, and in submarines. Of these, the most important ...
wokopa's user avatar
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0 votes
1 answer
227 views

Could Tesla coils be used for missile defense?

Some facts about the real world, Terra 2023: tensions between Russia, NATO, China, DPRK, India etc. are high. These powers keep trying to get the edge over each other to establish missile supremacy. ...
wokopa's user avatar
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2 votes
3 answers
229 views

Would my particle cloud shield be effective in limiting the use of combined arms/maneuver warfare operations? [closed]

Since I have particle shields in my setting for my armored vehicles, my military forces have also decided to try and extend that technology to the larger battlefield. One of the issues plaguing my ...
FIRES_ICE's user avatar
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8 votes
4 answers
1k views

What properties should my fictional HEAT rounds have to punch through heavy armor and ERA?

I have some forcefield shielding in my setting whereby particles act essentially as solid mass armor for all intents and purposes. Warheads grind themselves down against armor just like modern ...
FIRES_ICE's user avatar
  • 3,153
1 vote
2 answers
145 views

How would pronogrades build embattlements?

While there have been a lot of designs for embattlements across times and cultures, there is onee constant I have noticed: They all share similar proportions. This appears to be related to the erect ...
Ichthys King's user avatar
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2 votes
3 answers
232 views

Would the articulations/joints/bearings of a bulletproof full-body suit be easily pierceable?

Context: This armour was designed to be a full-body "bulletproof" suit, only capable of stopping bullets from military assault rifles that have the same capabilities of today's ones. Of ...
Fulano's user avatar
  • 209
7 votes
2 answers
371 views

Ideal materials for the outer layer of a whipple shield

https://en.wikipedia.org/wiki/Whipple_shield What I'm looking for is the best possible materials for the outer layer of a whipple shield. From what I understand, the outer layer turns a hypervelocity ...
spaceamoeba1010's user avatar
4 votes
1 answer
364 views

Castle defenses against dragons

In my world, there are dragons that the people have to fight against. In many forms of fantasy, despite having the giant creatures, their castles still look like the traditional medieval castle. In ...
Crafter's user avatar
  • 2,585
3 votes
3 answers
221 views

A potential way to use "space mines" to guard a moon or small planet

Space mines have a glaring problem which is the fact that space is really big, But I have devised a space mine which could be used to defend a moon or small planet. My space mine would be Casaba-...
spaceamoeba1010's user avatar
4 votes
2 answers
329 views

What are Effects of shielding on length of modern warfare?

In my setting there are particle shields that can be extended from a central source given enough power and particles to fuel the shield. This is a world where armor has outpaced weapons (nuclear ...
FIRES_ICE's user avatar
  • 3,153
17 votes
8 answers
7k views

Muggle military tactics against mind-controlling wizards

Spoiler: Wall of text incoming, TL;DR provided. Once upon a time there were two worlds, separated by some kind of dimensional veil. One world is populated by WW2 level industrial civilization, the ...
Khangodr's user avatar
  • 373
4 votes
5 answers
319 views

How would defense tactics change if 10% of people could fly? [closed]

If one in ten people possess the magical ability to fly, would this change the development of defensive measures and tactics in a society reminiscent of Britain in the medieval era? No other magic ...
MarielS's user avatar
  • 2,778
4 votes
3 answers
439 views

How would warfare change if everyone were concentrated into giant cities?

Due to environmental concerns (very cold winters) humans are concentrated into a few large cities all around the world; smaller isolated settlements die out quickly. These cities would form the basis ...
Boo Radley's user avatar
  • 1,164
25 votes
12 answers
5k views

How do I defend a walled citadel from a lizard army?

The setting is post apocalyptic wastelands. The use of nuclear weapons has resulted in the creation of mutations, the most deadly of which are the lizards. The antagonist devises a technology that ...
user96551's user avatar
  • 1,088
4 votes
6 answers
1k views

What would be US Military procedure for investigating a portal to another world? [closed]

Here's the scenario I'm working with: a portal opens up within 30 minutes' drive of one of the better equipped military installations in the continental United States. It is stable, shows no signs of ...
PastAndFuture's user avatar
8 votes
5 answers
3k views

Why does a hypersonic missile need to cruise Earth at low altitude before hitting its mark?

Imagine a certain nation tested a hypersonic nuclear-capable missile and it was designed to make a few trips around the Earth at low altitude before striking the surface. Don't they need to worry ...
user6760's user avatar
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8 votes
13 answers
2k views

Why can't the military stop my hidden pirate haven from illegal gambling and smuggling?

My pirate safe haven runs gambling rings, horse races, and trades contraband but no one can find it or penetrate it. Why? I've got a story revolving around pirates and a rescue. The pirates have a ...
Vogon Poet's user avatar
  • 8,179
0 votes
0 answers
143 views

What defences did Camp David have circa 2017

The aliens whose kids sent Jormungandr, the Snakebot of Doom, have shown up at Earth, and have announced that they will be taking over administration of Earth for the foreseeable future. As part of ...
Monty Wild's user avatar
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7 votes
4 answers
400 views

Feasibility of active defense systems against kinetic weapons

Spurred on from an earlier post over here. The general consensus was that if a depleted uranium round is coming your way, don't be in its way. And if you do get hit, disperse the damage as much as ...
FIRES_ICE's user avatar
  • 3,153
28 votes
22 answers
6k views

What would cause city walls to return?

Essentially, what would, in a modern (21st century) society, cause city walls to return? I don't necessarily mean stone walls; steel, titanium, and aluminum walls are perfectly acceptable. This ...
Firedestroyer's user avatar
6 votes
6 answers
574 views

What military exploitation is possible of an isolated, barren island by a pre-industrial world?

I've got a world with a long oceanic navigation tradition, but no reliable steam engines. Imagine it's the 1600s in our timeline. There's two superpowers (think two Chinas), and between them an ocean ...
KeizerHarm's user avatar
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15 votes
9 answers
3k views

What is the safest and most extravagant place for an interstellar emperor to make his palace?

Every evil galactic empire has an emperor’s palace. From the Goa’uld to the Sith Empire to House Harkonnen, every emperor has one extremely lavish but heavily defended structure they call home. My ...
Whey_Isolate's user avatar
  • 1,347
2 votes
4 answers
319 views

How do you have Mutual Assured Destruction in space politics

Space is VAST, and many country occupied only a part of it. They do trade and make war just like we do on Earth. On Earth, we have our "peacemaker" between powerful nations in the form of ...
Faito Dayo's user avatar
  • 2,323
2 votes
2 answers
301 views

Could a coalition of powerful corporations protect itself from a hostile neighbour?

This is an alternative Earth-like world, which has just entered the rough equivalent of Cold War. The primary contenders are the large quasi-socialist country with a strong command economy, opposed by ...
Khangodr's user avatar
  • 373
1 vote
1 answer
187 views

Could möbius ring shaped devices deflect or possibly redirect bullets?

As a rule, my sci-fi has no force fields. This is interesting, because every type of shielding that would normally have no mass are restricted to be physical devices. The most notable I'm working on ...
LiveInAmbeR's user avatar
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5 votes
7 answers
2k views

How to justify small Hominids not being conquered by (anatomically modern) Humans?

So in my setting there's a group of Hominids distantly related to humans. They live in a forested continent on the coast of which humans have created colonies. They have patchy light brown skin for ...
Sarāntairi's user avatar
1 vote
2 answers
129 views

Joint Nuclear Weapons Control?

As stated in a previous question, the main political entity of my world, the United Commonwealth, is protected by a combined Army and Navy, made up of personnel from all nations, and funded by all ...
Archmagos's user avatar
  • 621
6 votes
6 answers
897 views

How could an ancient army go about defeating a giant army of monsters? [closed]

I've been trying to study military victories against the odds but a lot of the stuff doesn't apply it seems. The armies in those battles are usually not outnumbered as severely and when they are, they'...
I'mAnOkayPerson's user avatar
8 votes
4 answers
2k views

What shape most efficiently disperses an overpressure wave from a nuclear weapon?

One rule of architectural design in one of my settings is the prime number rule: a building that abides by this rule can survive a 2-kiloton nuclear surface burst 300 meters away 5 times in a row ...
KEY_ABRADE's user avatar
  • 12.8k
1 vote
2 answers
281 views

How do I design a main battle tank to fight a tactical nuclear war?

Exactly what it says on the tin: how do I design a tank to fight a nuclear war? Nukes in this setting are limited to one kiloton yield or below by treaty, with the smallest ones having a yield of ten ...
KEY_ABRADE's user avatar
  • 12.8k
6 votes
2 answers
648 views

What would armor designed to withstand a grenade blast in an enclosed space look like?

Let's say that someone throws an M67 hand grenade into a completely enclosed room - i.e. the door is the only entrance/exit. How would someone build a suit of armor to functionally negate the ...
KEY_ABRADE's user avatar
  • 12.8k
3 votes
3 answers
847 views

How do you defend against a nuclear torpedo?

For reference: the nuclear torpedo. It is a torpedo with a nuclear munition for a warhead - exactly what it says on the tin. Range is 100 kilometers at 75 knots; guidance is sonar, with gyroscope ...
KEY_ABRADE's user avatar
  • 12.8k
-1 votes
4 answers
213 views

How does a projectile get past a rapid-firing, hyper-accurate point defense system?

Let's say that there's a point-defense system that's very good at hitting targets - as a matter of fact, it hits everything it shoots at. Moreover, it fires incredibly quickly and has, for the scope ...
KEY_ABRADE's user avatar
  • 12.8k
2 votes
5 answers
870 views

How does one defend a military depot against Nazi-ish Sasquatch-vampires in a continent-sized post-apocalyptic wasteland?

There is a lengthy background to this, which I feel is relevant. Yes, the title is supposed to be somewhat B-movie-esque. For some reason, there are Sasquatch-vampires (more on their biology later) on ...
KEY_ABRADE's user avatar
  • 12.8k
9 votes
9 answers
2k views

How can nations control large plains and deserts?

How can organized nations in a fantasy setting control large land masses (20-30,000 km²) made of deserts, rocky deserts, and drymuds? By control, I mean enforcing laws, defending it during conflicts, ...
ShadeQ's user avatar
  • 227
16 votes
7 answers
6k views

How to defend a kingdom without killing anyone [duplicate]

What resources, schemes, and strategies does a medieval king need to protect their power without killing or torturing?
user avatar
6 votes
6 answers
879 views

Most effective castle fortifications against fantasy/medieval airborne attack?

Edit: This question has been reopened! Medieval castles are mostly designed towards delaying or obstructing ground attackers. The only real threat a castle faces from above, at least from humans, ...
yolo man's user avatar
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