2003 · ソースブック（プレイを拡張するルール／オプション）
Combat Operations
A campaign rules expansion for recreating large-scale conflicts across the BattleTech universe. It provides guidance for creating, organizing, and commanding military forces, with expanded rules for BattleTech, AeroTech 2, integrated ground and aerospace battles, and infantry platoon construction. A strategic campaign framework covers combat, technology, subterfuge, assassination, and politics. Faction force tables list units available to major and minor factions across different eras, supporting campaigns that span planetary systems and entire wars. For use with Classic BattleTech, AeroTech 2, and the Classic BattleTech RPG.
スキルベース（スキルを購入または獲得）属性／ステータス制（STR、CON、PERなど）ダイス（主にd10）
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。