From the back cover:
Space is the final frontier, the river of night that separates the tiny islands of rock and oxygen inhabited by Mankind. Like their ancestors before them, the people of Terra Nova ply the space lanes around their planet. The Tactical Space Support contains additional rules, equipment and background material for Dream Pod 9's exciting Heavy Gear mechanized science fiction game.
This sourcebook includes:
A brief history of Terranovan space flight.
Information on the Helios system.
Details on the Tannhauser Gates.
Full tactical space-to-space and space-to-ground rules.