The port is 2500m long, with 40 large tanks storing 800wt of methane. It can accommodate a total of 16 ships (a fleet). But because the fleet is so expensive to build that there will not be a large number of warships in peacetime, so even the Earth goverm
The port is equipped with 2x150MW nuclear generators for the main energy supply and solar wing arrays for the auxiliary energy supply.
There are 2 200m Diameter habitals which can be given to crews to live.
Due to the gravity gradient problem and NTR pollution, large space buildings will not be placed in Earth orbit, so they are placed at the Lagrange point, but the Lagrange point is also not stable, space buildings still have RCS for correction