Questions tagged [military-defense]

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

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2
votes
3answers
188 views

Geopolitical consequences of a secret peace-keeping organisation backed by the UN Security Council?

In my world, there is a top-secret counter-intelligence/peacekeeping organisation called SWORD that answers directly to the UN Security Council. SWORD was formed in the wake of War World II in order ...
32
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16answers
8k views

How useful is an impregnable castle?

When we place castles on our fictional maps, lots of effort is often made on how to make those castles virtually impregnable. Walls, moats, defensive weaponry etc. But one aspect is often overlooked ...
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 ...
0
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4answers
404 views

How can this more technologically-advanced army efficiently fight against a less developed mixed human/undead foe? [closed]

I am looking for ways that the military, described below, can face off against Desert warriors akin to Ancient Egyptians. They're not at a high level of technology, mostly using bows for ranged ...
38
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8answers
9k views

How can a defecting pilot improve their odds of survival?

A bit of context first, this question is inspired by the famous North Korean pilot No Kum-sok, and his defection to the United States during the Korean war. A quick summary, he breaks formation, ...
52
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26answers
17k views

What would induce a country to actively guard an empty wasteland?

One of my favourite stories features a major fortress built on the edge of a poorly surveyed wasteland. In that context, the Butte makes sense, as a safety measure against the unknown. Once the wastes ...
3
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6answers
231 views

Economy vs Defensibility for cities?

Ok this is 2 questions but they are so closely related I'm sure it's OK The Premise The world is geographically similar to Earth. The kingdom has the same climate as Germany. The technology is High ...
8
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3answers
485 views

The feasibility of a top-secret naval base located on Île Pott

There's this organisation, which has a global system of secret and sensitive military bases situated in various geopolitical regions, not unlike those of the US military. One military installation is ...
4
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3answers
817 views

How many troops would be needed to occupy a city with a population of 2.9 million? [closed]

I have a city that has a population of 2.9 million and an urban footprint around 2,037 square kilometres. For reasons unknown, it's been sealed off from the outside world by a shadowy military ...
2
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2answers
139 views

Primitive AA defense

In scenario I am talking about there are civilizations of primitive sentient aliens, and they have acces to big (able to fly with ~100 kg of cargo including passengers) flying creatures which have ...
22
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11answers
9k views

Tactics and strategy an army can use to counter Human Wave attacks?

TL;DR: What tactics can a professionally trained army use against a horde of untrained conscripts using human wave attacks? (This scenario takes place in the very-near future.) Background ...
0
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3answers
345 views

What type of weapon makes the most sense for use on a spaceship [duplicate]

Supposing your spaceship was long and narrow, what type of weapon would be most practical on a spaceship made of the materials we make spaceships out of today with scaled hull thickness to equal the ...
0
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2answers
282 views

Shard Technology Uses For City-Defenses [closed]

In my Fantasy world there is a magical resource called shards that is as follows: Shard Powers: For all the people of the world; the benefits and dangers of using shards are well known. Shards are ...
22
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10answers
5k views

How to prevent your enemies from digging under you?

So, my world is a sphere (roughly) within hyperbolic space. Since the surface areas of spheres in hyperbolic space grows exponentially with radius, it has the same surface area of the Earth (indeed, ...
0
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2answers
324 views

How big of an asteroid could all the nuclear bombs of the world move? [duplicate]

More than the threat of nuclear war, we should worry more about asteroids destroying the Earth. For the first time we could save ourselves from that happening. Take all the nuclear missiles of the ...
16
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7answers
2k views

How does a castle have sufficient anti-air defenses while still looking like a castle?

Castles, particularly Concentric Castles, are great to have against the technology of the time; swordsmen, crossbowmen. They're less great against ornery wizards and capricious dragons. The lords ...
5
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4answers
640 views

How long would it take to 'Raise the Alarm' in a medieval city?

I'm writing a story that involves the protagonists opening the gates of a medieval city to allow an attacking army through - and I need to know how long it would be before the city's garrison realizes ...
0
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5answers
290 views

Fleet defenses against massive creatures [closed]

In my fantasy world, humanity thrives on massive migratory fleets, moving in large numbers between the sparse islands. However, there are massive creatures that live in these places in between, ...
37
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7answers
9k views

Are underground shelters defensible?

In many survivalist stories the intrepid heroes wisely (given the impending plot line) decide to build and stock a fallout shelter. When the inevitable catastrophe comes they move into their ...
2
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8answers
2k views

Could This Sort of Castle Defense Work?

This is a basic map of a castle in an alternate Earth. It was built with two walls, both of which were always built in a circle, with four broad, circular towers/gatehouses built in four cardinal ...
2
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8answers
646 views

How can people kill considerably death-resistant aliens with everyday objects?

In a world where people find aliens invading their homes, with what household object or objects found on the street or nearby, could people defend themselves against the invader? The rules of the ...
4
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10answers
939 views

How could Hitler's planned invasion of England in September 1940 actually have succeeded?

This is a rewrite of this question in an attempt to reduce its scope and bring it back within the sites guidelines. I was writing a story set in an alternative history in which Nazi Germany occupies ...
1
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1answer
489 views

What would have happened if Hitler had launched operation Sea lion (the planned invasion of England in September 1940)? [closed]

I'm writing a story set in an alternative history world but after some research I suspect the scenario I intend to use is unrealistic, so I would like to understand the likely outcome of Hitler’s ...
-1
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1answer
213 views

How do the strategic assumptions and goals of a space force affect the overall effectiveness of the space force? [closed]

So, to start the question, I want to have a small assumption here: Let us assume that we are an interplanetary civilisation. We have spammed much of the Solar System, but it is not all sunshine and ...
7
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4answers
286 views

The place of cannons and ballistae in a world without metal

I've mentioned before that I'm working on a fantasy world where most of the metals we rely on in our world are fairly uncommon outside of a single, inhospitable region of the world. The vast reserves ...
5
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5answers
1k views

Would an actively camouflaging airship cast a shadow?

I am currently writing about a military society that enforces its subjects using Acer-class airships. Picture the USS Iowa, except flying and with enough supplies for a year in the air. The only ...
-2
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5answers
154 views

How can you create an impenetrable defense to survive a world war? [closed]

You are the leader of a country on Earth, 2017. Some time soon, a world war will break out, in which many powerful countries will join together and attempt to destroy your nation. Your only interest ...
3
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1answer
138 views

How to quarantine an entire peninsula?

The general backstory for the world I'm building is that the entire dwarven homeland in Ireland has to be quarantined after a S.T.A.L.K.E.R.-style disaster in the mid-19th Century. All 3000-3500 ...
11
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15answers
6k views

Is it viable to wall modern cities against “zombies”?

Let's say the city covers about 40 square miles (104 square kilometers), that machinery and some oil refineries are still usable (for construction vehicles), and that there is a lot to salvage in way ...
5
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3answers
925 views

What circumstances would necessitate an international “Supernatural Police” organisation?

Some background on this question, I was trying to construct an international organisation whose main job is to patrol, investigate and protect its member countries from anomalous threats that have ...
0
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3answers
428 views

Creating a shield with air?

I'm thinking about air shield that can protect man from flying arrows, bullets, etc. I did some research about bulletproof vests and it turned out that many of them were made of hard materials or ...
28
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15answers
9k views

Zombie killing structure that's easy to construct, durable and low maintenance?

What would be an effective zombie killing structure that an average person could put together in a typical suburban neighborhood? Previous discussion that touched on the topic often rely upon ...
7
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3answers
211 views

What precautions would a space navy crew take when co-operating with an enemy android?

After a politically destabilizing incident that could lead to a regional war, a sentient android from a foreign government has offered to help the navy track down a space pirate turned fanatical ...
2
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3answers
136 views

Funding custom weapon development in a friendly foreign country?

If you have a country with unique needs for some kind of weapon system but it doesn't have a domestic industry to produce it, is it possible to fund the development in a friendly foreign country?
2
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3answers
652 views

How would a port city located on a river on the border defend itself?

This is my first question on this site! So, I have been trying to figure this out. I have a port city that is located at the mouth of a river. The problem is that the river forms part of the border ...
2
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2answers
118 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 ...
27
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6answers
10k views

If the Cold War went hot in the early 1970s, would the Warsaw Pact be able to reach the Rhine River?

So, let us go back in time to the year 1973, specifically around October of 1973; the time frame of the Yom Kippur War. In our timeline, the conflict almost became WWIII after the Soviets threatened ...
-2
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5answers
206 views

Building an elite legion [closed]

Story You are the much-loved ruler Joe Bob of anywhereland. You won the election with all of the votes except for one: from your annoying brother Bob Joe. But that is not relevant. You rule with ...
-5
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1answer
206 views

Battling a massive army robots, how? [closed]

In the previous question about the great computer, we searched for an answer to make a plan to defeat the robots in space, now, were going to look at a more "conventional" battlefield. Note: This is ...
0
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9answers
1k views

Defeating this fleet [closed]

I was watching the series called: "Once Upon a Time... Space" (I could only find the hungarian dub, which is my native language), that I want to make a fanfic about, and I ran into a problem.... The ...
6
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7answers
977 views

Defending against directed Gamma Ray weaponry

I am trying to picture how space combat would happen with a sufficiently advanced level of technology (way beyond what we have today), and obviously defense from radiation would be a massive benefit ...
-3
votes
1answer
142 views

Run! A giant chipmunk is attacking the city--or is it? [closed]

A chipmunk. 300x normal size. Dangerous. Especially when attacking a city. But there are some unknowns. I have some obstacles to get around. 1: A chipmunk can hold a pound of food in each cheek pouch. ...
5
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3answers
165 views

Public Order/Control in a perpetually Sea-faring people: Preventing Revolt/Take Over

In one of my worlds I have a people who live almost exclusively on the surface of the ocean. Over their world's short history they quickly develop from the equivalent of island tribe tech to medieval ...
38
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11answers
9k views

What is the ideal location to hide the President in the case of a zombie apocalypse?

We all love the apocalypse, except for those that are actually in it and often apocalypse media, especially zombie apocalypses, show a complete collapse of any form of government. I find this unlikely,...
6
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4answers
4k views

English Medieval town layout

In Medieval England how would a stronghold town be laid out, and what would their defenses have been? I'm putting a city together and one important point is that it is secure from attacks. Attacks ...
20
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13answers
7k views

How could a smaller country successfully take control of a much larger country?

Imagine a scenario where a country around the size of New Zealand (in GDP, population, military strength and other areas) decides that it wants to take control of or at least destroy a much larger ...
6
votes
6answers
783 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 ...
8
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9answers
622 views

Would it be dangerous for the average country to drop its army?

The money a country spends in defense is usually really high. There are many countries in a world like ours where the army is hardly ever used. Could it be possible for a country that is surrounded by ...
26
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18answers
8k views

Can spacecraft defend against antimatter weapons? How?

Here is what we know: We have the means to create stable antimatter We can direct it in a beam It can travel nearly as fast as light with ease Antimatter and matter combine in dangerous ...
1
vote
3answers
242 views

It's the end of the world. How do we react? [closed]

The Situation There is a space object heading for earth -- asteroid, rogue planet, what have you. The Smartest People In The World have determined that: it's coming right at us if it hits us, it's ...