BattleTech: Tactical Operations (PDF)
Forces on world
Take your warfare to a whole new level of excitement! Deploy under cover of exotic weather and severe planetary conditions. Surprise your enemy with your mastery of new battlefield tactics--from artillery to command-level comms to minefields--as well as cutting-edge, prototype technologies! A daring commander can take advantage of any or all of these....if he's brave enough to seize the moment!
Tactical Operations is the one-source reference for advanced rules that apply to on-world operations. It includes new movement and combat options, an extensive Advanced Weapons and Equipment section, and the rules for playing and constructing advanced Support Vehicles and Mobile Structures.
For use with BattleTech: Total Warfare.