If the world is invaded by aliens...seriously..

crobato

Colonel
VIP Professional
I had a thought of writing this mainly for fun and speculation ever since I saw a replay of Independence Day and later the latest War of the Worlds redo with Tom Cruise. Other sparks on of inspiration came from Londo Molari's video of JF-17s fighting UFOs and finally about the Japanese news article suggestion that their armed forces should consider alien threats. And to think about it, the concept that we are alone in the Universe gets less and less with every exoplanet---well over 200 so far---that is discovered with the Hubble telescope. And that's just the stellar neighborhood.

To begin with, if we are seriously invaded by aliens...

1. Please don't assume we can shoot the motherships down with AMRAAMs.

There is this part in the movie Independence Day, where a formation of F-18s fired their AMRAAMs directly at the alien mothership. The effect is like shooting toothpicks to an elephant.

What are they thinking? If you seriously get invaded by aliens and they have huge motherships, you need something even bigger. I would prefer a Harpoon or an antiship missile whose seeker is reprogrammed to consider a large moving detection in the air a valid target as much as a large moving detection in the surface of the water. Antiship missiles are radar guided so they can pick up a large mothership like they would with a battleship. They are semi armor piercing and got a big warhead.

Even better than a Harpoon or Exocet would be a big old Russian Sunburn, Onxy or Granit. I would fire them off the ships when I can, or from large fighters, bombers or converted airliners.

Of course you can expect these missiles to be shot down by whatever defenses a mothership can have, but lets just hope some will get through. The faster the missile, the better the potential chances.

2. No need of heroics of flying a plane into the mothership's exhaust port.

And no need of the Force either. If you want to send something down or up into an alien mothership's exhaust port, a TV guided missile like a Maverick or a UCAV can do the trick. Assuming motherships have some kind of port.

3. Mother Nature's bacteria taking care of the aliens? Much like the ending of H.G. Well's War of the Worlds.

But seriously, if we are invaded, we actually stand as much of an equal chance of being infected and dying by whatever pathogens and contagions the aliens bring with them. Disease control should be part of any front line against an alien threat.

4. Our satellite networks...

...will be the first things that are going to be destroyed and shut down by an incoming alien invasion. We will not have GPS, we will not have satellite communications, we will simply not have anything what we depend on satellites for. We will have to fight without them.

5. Don't think about Star Trek or Star Wars, phasers, death rays and light sabers. Alien weapons should be a lot more direct and physical. Beams of concentrated energy like lasers don't store, transport or project energy in densities you can with physical projectiles.

If alien motherships are going to invade us, they're not going to hover over our cities and shooting everything in sight with direct energy ray weapons. They would be in low Earth orbit, dumping huge rocks at us. At least that is how I would do it. I would take an asteroid, carve it up to pieces, and start dumping them like large meteors, towards our airbases and cities. The effects can be catastrophic, if an event like something that happened in Tunguska in the beginning of the century would happen in a major populated city like New York.

We would have Tunguska events over all our major cities while rocks are blowing moon sized craters at our military bases.

6. Our Airforces...

...are not going to put up much of a fight initially as our bases are being blown by falling meteors. We will be forced to gather our surviving planes into heavily dispersed make shift bases, and pray we have as many underground bases as possible. It is preferable we have aircraft that can vertically launch or take off from short strips, like highways. We are going to lose a lot of our expensive fourth, 4.5 and fifth generation fighters. Stealth means nothing for the alien techs, our Raptors and B-2s will get detected anyway. Speed and agility maybe more useful, but dogfighting against alien drones and fighters, we will have significant negative combat ratios. It won't be like Star Wars where everyone seems to dogfight up close. We will be using our missiles a lot, and it seems its only the speed and agility of a missile that can reach out and "touch" the alien fighters.

To replace our dire losses of front line fighters, we desperately go back to our boneyards to resurrect our old fighters. The Starfighters, the Phantoms, the Tomcats. We are going to have a serious pilot shortage, so we will use a combination of remote control and autonomous automation. And once they have ran out, we will need to replace even these. We need fighter drones that we can build fast and expendable, yet they must be fast and capable of supersonic flight, carrying missiles. We may not have time to come up with new designs so in the interim we may resurrect older fighter designs.

(to be continued)
 

Ryz05

Junior Member
Seriously, we are all dead if aliens decided to wipe us out. The aliens probably worry more about other aliens on the same technological level than about us, so they fight each other. If one alien species did decide to fight the weak, than other aliens will come to help us humans :)
 

Norfolk

Junior Member
VIP Professional
Well, if the Little Green Space Folk were to accord us a visit with unsocial intentions, us Redneck Country Folk (including yours truly here in Southwestern Ontario), would be sure to extend cordial greetings to them. And when they ask me to take them to my leader, I will in turn introduce them to a couple of My Little Friends:

Mr. Carl Gustav:

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and here:

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Mr. F.N. MAG:

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and here:

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Yep, thar ain't nothin' like a Warm Country Welcome:

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and here:

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Ya'll come soon now, hear?
 
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Tasman

Junior Member
... They would be in low Earth orbit, dumping huge rocks at us. At least that is how I would do it. I would take an asteroid, carve it up to pieces, and start dumping them like large meteors, towards our airbases and cities. The effects can be catastrophic, if an event like something that happened in Tunguska in the beginning of the century would happen in a major populated city like New York.

We would have Tunguska events over all our major cities while rocks are blowing moon sized craters at our military bases.

Have you read Jeff Head's book 'Dragon's Fury'? He uses this idea in his 'WW3' novel.

Tas
 

panzerkom

Junior Member
uh... if space aliens really come to earth with malicious intents right now, the best we can do is to pray that they don't want to wipe out our race and that we'll get the chance to learn about their technology and have our revenge.

i mean: comon, think about it, if they have ships that will travel for light years, their level of technology would be far superior to that of ours. i wouldn't count on jeff goldblum to come up with a computer virus that can cripple their energy shield overnight; nor would i count on their not wearing any protective gear against pathogens on earth, i mean our own astronauts sat in an isolation ward after going to the moon, aliens would know the dangers of an alien world.

at the end of the day, if we're to face an alien invasion force capable of inter-stellar travel in the near future, we probably don't have much of a chance of killing them all. what we need to do is get down on our knees and start sucking... really hard.
 

Roger604

Senior Member
Since alien biology is likely to be very different from ours, the solution is biological warfare. Fill the atmosphere with deadly (for them) viruses or bacteria, yet harmless to humans.

But really, the above poster is right.
 

AssassinsMace

Lieutenant General
Well movies exaggerate and break any kind of sense because visually it's better to see on screen. Just like realistically if you have a space ship battle most likely it will take place way beyond visual range. If you're broadsiding in space like you see in movies, you in reality probably just suffered a major failure in defenses. But for the movies it's visually more spectacular and dramatic.

Independence Day was directed by Roland Emmerich who is notorious for exaggerating the laws of physics like hell. For example he loves to have cars blasted by some force flying and crashing around people because it's dramatic to see people dodging cars. You seen it in Indepedence Day and The Day After Tomorrow. Problem is the energy it takes to hurl a car into the air would also hurl you too and in a flash moment. But in his movies people don't fly... cars only do so they can be dodged or so you can see someone standing there naively to get smashed by a car. In the Day After Tomorrow, the energy it takes to freeze someone instantaneously doesn't crawl at a pace just fast enough for you run from it. The force it takes to freeze someone instantly like a statue wouldn't be seen in time enough for you to run or out run. If one is looking to movies for "realism," the ones directed by Roland Emmerich should be avoided the most.
 

crobato

Colonel
VIP Professional
Aliens could also use contagions against us easily. But they may have other purposes beyond wiping us out all as a species. Like raising us as food for instance. The human brain can be a delicacy.

Or they may wish to harness us as fodder to use with an interstellar war with another species.

If aliens invade the Earth, they must have a reason, a very logical reason, one that is befitting an interstellar race. Even though planets are common, a blue water orb teeming with life like Earth would still be rare. Thus, it is a valuable prize on itself. Should an invasion happen, they would be doing it with kid's gloves in order to assure that the "prize" itself would not be damaged as a result of the action. Thus they may, after all, being a civilization of an even higher order, may try to minimize the use of WMDs that have greater long term environmental effects, even though it would be the humans on Earth that would be far more willing to use nuclear weapons.

Going biological is a two way sword. If you inflict a virus on another group, what if that virus itself mutates and that will go back to haunt you.

But in the event of biological warfare, the answer to that is to completely conduct the war using all machines.

Despite having superior technology, it does not mean that a group with inferior technology would just give up the fight. In history, there has been Davids against technological Goliaths. No matter what, a 2000 year old crossbow can still kill a modern soldier.

I see lessons from different wars being applied. The desperation of the Axis powers against overwhelming Allied might, such as the way the Nazi war industry was able to rationalize its weapons and still able to conduct production even against the bombing onslaught. Or in the case of guerilla and insurgent wars, from the use of IEDs to the tunnels in Vietnam. The world likes to flaunt military technological superiority but what if it finds itself having to fight a war in the position of serious technological inferiority.
 

panzerkom

Junior Member
hey, btw, before we start shooting at the aliens, shouldn't we find out if they just wanna play football first? :D
 

SampanViking

The Capitalist
Staff member
Super Moderator
VIP Professional
Registered Member
The fate of Meso America tells you all you need to know when a primitive civilisation is discovered by a more advanced one.

Would these aliens be 100's or 100's of years more advanced than us? I mean just look at modern ships and planes compared to those of say 50 years ago, let alone 100 or 200 years ago.

BTW I would be far more concerned with virulent alian viruses being relaeased in to the Terran environment rather than pin my hopes on the common cold wiping out all the invaders.
 
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