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What makes you think a tunnel would be safe? Just need to re-purpose this little guy: https://blog.sintef.com/digital-en/inachus-project-robot-search-rescue/ h

• itsthecourier 8mo ago
  a network of tunnels and sensors is easier to defend than a open space exposed position where drones can see you from miles away, I guess that makes tunnels better for defense
  • stvltvs 8mo ago
    Makes me think the noble houses of Westeros should have dug tunnels to foil the Targaryen dragon advantage.
    • 8note 8mo ago
      they did - that's why dorne was never conquered
      • speed_spread 8mo ago
        Little known fact, dragonglass is an excellent semiconductor
  • goodmythical 8mo ago
    Given that we have bunker busters that will travel beyond the horizon at hypersonic speeds and bust 200 feet of reinforced concrete... I don't think any fixed installation is particularly easy to defend? Also, I'll grant that a drone can see you from miles away, but don't you think any one of a large and growing number of satellites can spot your massive earthworks from tens and hundreds of miles away for the months or years it takes you to construct?
    • jvanderbot 8mo ago
      Given that we have nuclear weapons why bother making anything?
    • marcosdumay 8mo ago
      The Russian invasion of Ukraine has been going the other way around entirely. It's attackers that can't defend against anything.
• 8note 8mo ago
  the operator of those would get hit by an aerial drone from one of the other tunnel exits
  • deleted 8mo ago
    [deleted]
• andrewflnr 8mo ago
  But now you've forced your adversary to deploy and use "this little guy" on top of everything else they're doing. If you raise the costs high enough that they can't pay, you win. Yay!