Battletech Interstellar OperationsInterstellar Operations is the final installment in the award winning line of BattleTech core rulebooks! Scaling up to a level of play that allows for the conquering of entire factions Interstellar Opertions allows players to scale between all the various rulebooks from a single warrior to regiments on the march. It's Alternate Eras section is one of the most anticipated parts of the book including a slew of technologies across the centuries such as