It’s a drydock.
Two dry-docks is a battalion. Three is a division.
Four dry-docks doesn't have a name - currently banned by the Geneva Convention.
Five dry-docks: Weapons of Mass Naval Destruction. Immediately triggers U.N. Security Council to outlaw your nation. Dry-docks must be launched into space (with non-Russian missiles, of course) toward the sun so they can't hurt people.
You can follow @ericgarland.
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