.... OOPSIE!?!
Mind you, by the time the new construction is "up", they may decide to hang onto one of the older facilities OR build again.....
They won't be hanging on to the older facilities, they're WWII Surplus (Never built to the highest standard to begin with, as they were built in a big rush. All which haven't been condemned have been renovated, most several times, but they're still 60 year old wooden buildings), most of the buildings are condemned, chock full of asbestos, and in short, in dire need of replacement. Plus, the buildings aren't even DND property, they belong to CLC, or so the legend goes...
Building again, a possibility, but unlikely... the property on which the buildings currently stands is prime land for real estate development, and will no doubt be snapped up as soon as it's available. So either they'll have to build elsewhere (Aside from the white hills, I can't think of any vacant land nearby, so somone would be very much "decentralized" from the resources...) or add another floor to the proposed "super-armory".
It's not as if I've seen any blue prints, could well work out just fine... I'm just skeptical.