Questions tagged [military-defense]

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

Filter by
Sorted by
Tagged with
54
votes
25answers
9k views

Would a non-lethal military be effective?

An empire spanning the globe has a military force trained and equipped for the temporary impairment of combat forces, such as sleeping gas, shields and nets. The empire is by far the most ...
53
votes
22answers
10k views

How do I defend an island nation from attackers with 15th century technology?

Apologies in advance that my bullet points got away from me and turned out a bit long, but I'm trying to give as much information as I can to ward off initial questions. Imagine the following ...
52
votes
26answers
16k 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 ...
50
votes
9answers
6k views

What would the fortifications of an underwater city look like?

Merpeople, along with other similar underwater humanoids, are often depicted as living in great cities beneath the waves. These cities have many positive things going for them: plenty of real-estate, ...
48
votes
5answers
4k views

How would the existence of large rideable flying creatures have changed the design of castles?

I'm thinking not only of the impact they would have had on how you would defend from an aerial attack, but also that they could be used for much more specific bombardment by dropping large rocks and ...
47
votes
17answers
3k views

What would be the most effective way of keeping a psychopath with a spaceship from wreaking severe havoc in a suicide crash?

Any spaceship over several hundred tons is an extremely dangerous weapon in the wrong hands, particularly if it's intended for reentry. Made mostly of metal and possibly shaped to be able to breach ...
45
votes
17answers
7k views

Surviving an Overwhelming Siege

The evil enemy has us surrounded. They outnumber our forces, they have us outgunned. These helldogs have a trillion dollars/year for their war budget, and they can afford the fanciest toys, numerous ...
45
votes
21answers
8k views

What are some tactics for the ancient Greeks to defeat alien invaders?

Context It's the 4th century BC, Alexander the Great has just passed away and his empire has been divided amongst his generals. Now the successor states of Egypt, the Seleucid Empire, Macedonia, ...
43
votes
13answers
5k views

How to fight a kitty army?

Let's imagine an alien life form attacking Earth. Their technology and their number do not overtake very much human ones, but they have a very powerful weapon: when a human looks right at one of them,...
38
votes
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, ...
38
votes
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,...
38
votes
20answers
10k views

How would space battles alter combat tactics?

A thought occurred to me while watching Ender's Game. Why are these two fleets in space lining up like two armies during the revolutionary war (or pick your war of the musket/volley era)? Thinking ...
37
votes
31answers
10k views

What kind of a unit/army would prefer fighting from a low ground position?

It's a well-known fact that attacking or defending from a high ground gives a wide range of advantages over an opponent occupying a lower position. I'm DM-ing a campaign where PCs are about to defend ...
37
votes
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 ...
34
votes
21answers
8k views

How would cities be designed that were threatened by dragons?

The dragons aren't all that common but they live in the nearby mountains and after a harsh winter are more likely to come looking for easy prey to fatten back up on. What are the major design ...
31
votes
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 ...
30
votes
4answers
2k views

How would the design of a habitable underground fortification differ to that of a castle?

As a follow up from riding flying creatures to attack castles, let's assume that the practice is now so prevalent that a standard castle is no longer defensible. How would the fundamental design of a ...
30
votes
7answers
3k views

What would an avian “castle” look like?

How would avians build a defensive structure? What would be the equivalent of walls, a drawbridge, a dungeon, etc. If two avian / arial cultures were at war, say birds vs. dragonflies, how and where ...
29
votes
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 ...
28
votes
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 ...
28
votes
9answers
4k views

To assault a dwarven city

Imagine a dwarven city, a fairly backwater one, completely unlike the likes of Erebor or Moria. This one scrapes together barely, and is only as large as it needs to be, which is to say 5 feet tall ...
28
votes
9answers
4k 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 ...
27
votes
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 ...
26
votes
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 ...
25
votes
6answers
9k views

Can one nuke reliably shoot another out of the sky?

A quick glance at real world anti-missile systems seems to show that they do work, but imperfectly. The problem naturally gets harder when the incoming missile is extremely high-velocity. If your ...
24
votes
2answers
651 views

How would sails from a fireproof material affect ship's performance?

Related to: How would rudder protection against water elementals affect ship's performance In a world with ordinary magic, military ships should be prepared for enemy fireball-hurling wizards. Is ...
23
votes
8answers
5k views

Could a Mars colony use asteroids as weapons against the earth?

If a future Mars colony declared war on the Earth, would asteroid manipulation be a feasible option as an effective weapon against the Earth from a Mars colony? How would this be accomplished? Are ...
22
votes
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 ...
22
votes
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, ...
22
votes
5answers
3k views

Deflective properties of a forcefield

I have always though of three basic ways that force fields function. The first way is that the force field projects an indestructible shell that oncoming objects can never break. Further, the ...
20
votes
13answers
6k 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 ...
20
votes
14answers
2k views

Why would you build underground defensive structures in an an alternate world medieval europe?

Assuming a world otherwise like ours and at the same technological level of medieval Europe, what change in the world might have caused people to build defensive structures underground rather than ...
16
votes
16answers
3k views

How can The Temple of Elementary Evil reliably protect itself against kinetic bombardment? [closed]

This building is the centerpiece of my world and the reason for everything. Why would chromatic dragons and adventurers fight together? To take down this temple, of course. But why do I need them? I'...
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 ...
16
votes
6answers
2k views

Space, the final frontier … to defend

OK, so you've got an empire in space. And that empire has a frontier. Now on Earth, we have many ways to defend a frontier. We can build border fences or even walls, we can build watch towers, and of ...
16
votes
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 ...
16
votes
3answers
4k 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 ...
16
votes
8answers
1k views

How would a city with high defences fare against airborne creatures?

This always has been a point of trouble for me as a World Designer. How would a fantasy city be well-protected against airborne creatures? In all the examples we have on our own world (Earth) being ...
15
votes
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 ...
14
votes
9answers
7k views

How to hide an urban landmark?

Picture an alternative history Second World War Paris. The Third Reich must destroy the Notre-Dame de Paris, and the inhabitants must prevent this. The French do not have access to anti-air weaponry ...
14
votes
14answers
5k views

Best strategy against anti-material monsters [closed]

For my story the inhabitants of the setting find themselves fighting against endless hordes of monsters. But these monsters have several traits that will require unique strategies against them which I ...
14
votes
17answers
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 ...
13
votes
8answers
4k views

Way to block rockets from entering space?

I'm currently in a nation roleplay and some nations are now looking towards the stars to expand their reach and power. We are all using modern technology mixed in with near future technology (30 to 40 ...
13
votes
5answers
1k views

How could trading posts be defended against pirates?

I got many little trading posts all over my my worlds and orbiting around them. Everyone can trade in there, nice guys as well as scum of all kind. The trading posts are rich places. How could a ...
12
votes
12answers
4k 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 ...
12
votes
4answers
1k views

How would humans defend themselves against mice that are sentient and intelligent?

In How would sentient intelligent, normal-sized mice fight against humans? Humans are not doing well at fighting against the mice. They are small, smart and deadly. Humans will have access to ...
11
votes
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 ...
11
votes
9answers
2k views

Klemperer rosette vs Relativistic Kill Vehicles

In the book The Killing Star, Relativistic Kill Vehicles (RKV) are described as the ultimate weapon. They are described as impossible to stop, so that any civilization that develops them better ...
11
votes
7answers
1k views

Defensive strategies against teleporting dragons

I have finally found an edition of the Dragonriders of Pern trilogy - living in Italy, I only had access to it thanks to my father's old books, and he doesn't own the complete series - so I have been ...
10
votes
11answers
1k views

How to defend Earth against “alien bees tactic” in the modern era? [closed]

The enemy is approximately 100 million in number and are closing in fast from the orbit of Uranus, at a constant speed of 70 km/s (in near perfect vacuum condition). They are like clones and each one ...