In 2439 the Terran Hegemony unleashed the Mackie, the first BattleMech, setting off an arms race across the Inner Sphere. The Proliferation Cycle anthology tells the story of how all six Houses employed force of arms, infiltrations and espionage to field cutting-edge new 'Mechs of their own. The volume also includes the story of the first Clan OmniMech. This companion ForcePack includes all seven original 'Mechs, which can be fielded on any game table using the rules from Interstellar Operations: Alternate Eras. No assembly required, includes seven MechWarrior pilot cards and seven Alpha Strike cards. Perfect for BattleTech and Alpha Strike action!