Cubic Corp. [CUB] yesterday said its Cubic Defense Applications business unit has acquired certain assets and foreign subsidiaries of Advanced Interactive Systems (AIS) through a bankruptcy auction, giving it exposure to live fire simulation and international markets. QuickRange Photo: AIS Terms of the deal were not disclosed. “This acquisition diversifies our product offering and capitalizes on our existing international marketing channels,” Dave Schmitz, president of Cubic Defense Systems, said in a statement. “AIS’s world class products will help Cubic expand…