The rules for Aerospace and Conventional Fighters, Fixed Wing and Airship Support Vehicles, Small Craft, and DropShips are covered in Total Warfare.
The rules for Satellite and Large Airship Support Vehicles, and Airship Mobile Structures, as well as naval weaponry and equipment are in Tactical Operations: Advanced Rules.
The rules for WarShips, JumpShips, and Space Stations, as well as advanced rules for other unit types and rules for interstellar travel are in Strategic Operations.
The rules for DropShuttles, as well as other primitive aerospace units, as well as rules for some niche naval equipment are in Interstellar Operations: Alternate Eras.
As for TROs, most large craft TROs are in Technical Readout 3057 Revised. Your common Succession Wars state fighters are in Technical Readout 3039. Other assorted craft are available across various TROs and sourcebook rules annexes.