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Space Mines: Difference between revisions

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{{trope}}
[[File:minefield_796minefield 796.jpg|link=Star Trek: Deep Space Nine|right]][[Space Is an Ocean|Space is, of course, an ocean]]. And sometimes your [[Space Navy]] needs to block access to a [[Space Station|port]], a space lane, or even an entire planet. How to do this? Why, [['''Space Mines]]''', of course. These are like their [[Sea Mine|seagoing counterparts]], but ''[[In Space|IN SPAAAAACE!!!]]''
 
Just like there are several types of [[Sea Mine|Sea Mines]]s, so there are also many types of [['''Space Mines]]'''. Most common are proximity mines, that go off when a ship gets too near, and contact mines that go off when they hit a ship's hull. Magnetic mines are attracted to metal hulls. Homing mines are essentially missiles that sit around until they detect a ship's engine or weapon energy signature, then angle themselves at the target and let fly. Some mines are miniature weapons platforms that open fire when ships get too close. Remote-detonated mines can be set off by a waiting vessel when a target ship gets in range. Nuclear mines have nuclear warheads in them. Then there are mines that rob ships of power (dampening fields) instead of just exploding. There are many other variations and combinations.
 
In real life, there would be some [[Fridge Logic|major limitations]] to this trope. However, since [['''Space Mines]]''' seem to be an ubiquitous part of [[Space Opera|Space Operas]]s, sometimes the savvy writer thinks of the above limitations and writes around them - and real-life applications have even been discussed in military circles.
 
* In order to secure a whole planet, you'd have to mine space three-dimensionally in order to be effective. In fiction this is [[2-D Space|often not done]].
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* Laying mines takes time, and the larger area you need to cover, the number of mines you would need increase quadratically. To cover large or even moderate areas could take hundreds of years, even if it only took a few seconds to lay each mine. Justified if the mines have potential to locate and approach, or shoot, their targets from massive range, thus ensuring blockade functionality despite low minefield density, or can be all released in a single spot and relocate and organise autonomously. As for the matter of quantity, this can be explained by having automated manufacturing and minelaying facilities operating over lengthy time periods, or have the mines themselves be self-propagating Von Neumann machines.
 
* Sea mines are deployed under water, greatly complicating the task of detecting and clearing them. There is no such barrier to visibility for [['''Space Mines]]'''. Unless there were some sort of mitigating factor (sensory disruption, cloaked mines, etc.) space ships could just pick them off with long range guns/lasers/missiles/decoys/whatever. May be partially justified by the fact that, unlike enemy ships, they can be inert, dormant and undistinguishable from generic space debris until they're close enough to strike.
 
* Everything with mass has gravity. In space, little things that are relatively close to each other tend to clump up -- thisup—this is how planets and stars are born. The mines would need some way to fight or negate the effects of gravity on each other that also wouldn't run out of fuel.
 
[[I Thought It Meant|Not to be confused with]] [[Asteroid Miners|Space Mining operations]], mining valuable materials from [[Asteroid Thicket|asteroids]] or other planets [[In Space]].
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** ''[[Star Trek: Deep Space Nine]]''
*** During the Dominion Wars the ''Defiant'' mined the entrance to the Bajoran wormhole. At least in this case, the mines were protecting a single, uni-directional portal and were self-replicating to prevent easy removal.
*** The Klingons established an illegal cloaked minefield in "Sons of Mogh." The mines are dormant and have to be remotely activated in event of war -- andwar—and would effectively cut DS9 and Bajor off from support from elsewhere in the Alpha Quadrant.
** In ''[[Star Trek: Enterprise]]'', the Enterprise runs into a cloaked field of Romulan mines. Similar to the first ''Deep Space Nine'' example, this is more justified as they were over a planet and everywhere.
* The ''[[Stargate SG-1]]'' episode "The Serpent's Venom" takes place in a space minefield where the mines all lock onto any sign of weapons, which is used by the Go'a'uld as a neutral meeting place. SG-1 has to reprogram a mine to attack one of the Go'a'uld ships at the meeting, in order to instigate a conflict.
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* [[Star Fox 64]]: The first few seconds of Sector X has a cloud of mines you have to go through.
* [[Homeworld]] has Minelaying Corvettes. The mines themselves are proximity-triggered homing mines, solving the problem of mining in 3D space.
* ''[[Freelancer]]'' has a few minefields, which have their own haunting ambience theme whenever the player is near or within one. These minefields are less like a field of mines and more like a thick, spherical meshwork of explosives, which kill any intruding spacecraft<ref> that aren't using cheats</ref> ''very'' quickly.
** Also comes with its own hilarious form of [[Artificial Stupidity]]: patrol routes for the [[Space Station|space prison BPA Newgate]] graze the minefield surrounding it. Every so often one of the patrolling Bretonia Police Authority ships will plow into the minefield, [[Death Cry Echo|screaming]] while everyone else does [[Unusually Uninteresting Sight|absolutely nothing about it]].
* ''[[Elite]] 2: Frontier'' and ''Elite 3: Frontier First Encounters'' let you deploy these mines... or be blown to bits with them. Honestly, these mines are uneffective.
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* Stage 1 of ''[[R-Type]] Leo'' has space mines that form a laser grid with other mines.
* [[Proud Warrior Race Guy|Aera]] in ''[[Vega Strike]]'' has Porcupine "mines". It's a sluggish (about 0.5 g in any direction) [[Attack Drone]] with an [[Lead the Target|autotracking]] gun and 100 shield-piercing shells to pelt enemies in range. It explodes if approached, but weaker than any missiles proper. In terms of volume and compatible mounts it's a "medium missile", which allows Aera escort fighters to carry a dozen of these pests, in addition to six mounts of the same weapon with much more ammo, rocket pods (in assault variant) and normal missiles.
* ''Stars!'' minefields attack enemy ships traveling above certain [[FTL|warp speed]] and thus prevent a sudden invasion -- aninvasion—an important part of the game. Ships equipped with [[Ramscoop]] engines suffer more damage; those that aren't tend to rely on fragile fuel transports, and since mines, like missiles, aren't fully negated by [[Deflector Shields]], unarmored ships are killed easily. Specialization in mines is a ''[[Planet of Hats|primary]]'' racial trait, "[http://wiki.starsautohost.org/wiki/Space_Demolition Space Demolition]". These guys have all 3 mine types, minelayer hulls, lay mines on the run and are much more capable both of surviving mine attacks and using their own mines offensively. They also use minefields as detection arrays -- ifarrays—if used correctly, this makes sneaking up on them almost impossible: move fast and get blown up, or move slowly and be detected early. Or run into normal and heavy mines, have surviving ships stopped by speed traps and detected -- unabledetected—unable to repair without blown up transports or even run away due to still being stuck in the middle of 3 overlapping fields. Conversely, [[Proud Warrior Race Guy|War Mongers]] don't have such defensive weapons at all.
* In ''[[Another Century's Episode]]'' (the original), one mission (loosely based on ''[[Gundam Wing]]'', mentioned above) has you clearing out a minefield so Relena Peacecraft can make a goodwill visit to the colonies.
* In ''VGA Planets'' ships with torpedo tubes can lay mines. Efficiency depends on [[Tech Level]]. It can be expensive in terms of restocking ammo, though mines that aren't swept can be scooped by another ship or even another allied player's ship, so it sometimes allows to reload empty torpedo tubes in the middle of nothing. Both laying and sweeping minefields are fleet orders, i.e. ships have to stand there and not do anything else other than defending themselves. [[Silicon-Based Life|Crystals]] race also have web mines -- thesemines—these stop enemy ships at random, so the fleets break apart and steadily drain fuel, so the victime can get stuck for good.
 
== [[Web Comics]] ==
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== [[Real Life]] ==
* While most science fiction applications of [[Space Mines]] are ridiculous in practical application (see the [[Space Mines/Fridge|fridge logic page]]), it might be feasible to set up [[Space Mines]] in certain high-traffic orbitals, e.g. geosynchronous orbit. Other targets would be those used in an orbital insertion after launch from a major ground-based spaceport. You could also position them at Lagrange points due to their use in the Interplanetary Transport Network.
** Space mines have actually been considered in real life studies as possible space weapons utilizing current tech. Examples:
*** http://books.google.com/books?id=AQROL_5mY5cC&lpg=[[PA 53]]&ots=vn8i70rVAg&pg=[[PA 53]]#v=onepage (1984)
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