I just realized I misread the dimensions for the different sizes for the seaborne bases: I think they come in 90m x 300m, 120m x 600m, and 120m x 900m...
So even the smallest of them is the size of a CVN, while the longest is nearly a kilometer long and 120m wide.
So even the smallest of them is the size of a CVN, while the longest is nearly a kilometer long and 120m wide.