Questions tagged [military-defense]

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

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4answers
243 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 ...
2
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2answers
75 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 ...
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1answer
95 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 ...
5
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7answers
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 ...
1
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2answers
98 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 ...
6
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6answers
771 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'...
7
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4answers
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 ...
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2answers
150 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 ...
7
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2answers
563 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 ...
3
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3answers
722 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 ...
-1
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4answers
179 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 ...
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5answers
523 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 ...
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9answers
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, ...
16
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7answers
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?
5
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5answers
368 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, ...
4
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3answers
169 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 ...
28
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17answers
6k 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
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2answers
179 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. ...
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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
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3answers
659 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
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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
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3answers
395 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
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1answer
126 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
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5answers
585 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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5answers
333 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
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3answers
277 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
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3answers
276 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
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3answers
173 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 ...
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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
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6answers
302 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
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5answers
944 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
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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 ...
3
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4answers
226 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 ...
11
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7answers
557 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 ...
24
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20answers
8k 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
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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
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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 ...
2
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4answers
207 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
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5answers
562 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 ...
6
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4answers
430 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) ...
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2answers
101 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
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8answers
1k 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
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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 ...
4
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7answers
1k 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
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5answers
479 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
92 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. ...
6
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2answers
109 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
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0answers
85 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
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8answers
375 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 ...

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