System Defense Command Captain's Module R8 (Star Fleet Battles, R8)

The ships that protect the home front.

National Guard cruisers, destroyers, frigates, carriers, and escorts.
Heavy police ships and police carriers.
Heavy auxiliaries, Auxiliary cruisers, Tugs and salvage ships, and Skiffs.
Klingon police warships, Sector bases, Hospital ships, Luxury cruise liners, and Executive transports.
The original Klingon light cruiser, Romulan police flagship, Tholian police cutter, Orion National Police, and Andromedan gun sleds.
The ISC early years ships (refitted for the General War).