From the back cover:
The interstellar invasions performed by the Colonial Expeditionary Forces could never have been possible without their massive fleets. These are now stationed everywhere in the Earth and Caprice systems, reading to strike again at the former colony worlds. Spaceship Compendium II: CEF/Caprice takes a look at the invaders' ships and the infrastructure that supports them in the Loki star system. This sourcebook contains:
A detailed look at the main CEF Gateship type, the massively armored Tortoise-class.
Spacecraft for both military and civilian operations.
Caprician launch facilities.
Detailed deckplans and maps of several ships and facilities.