Cubic Defense Applications provides realistic combat training systems for military forces. It offers simulation, force modernization and educational services. CDA also provides government and commercial customers with electronic systems and products in the areas of secure communications, combat search and rescue, intelligence and air traffic control. It is a subsidiary of San Diego-based Cubic Corporation. Through its subsidiaries, Cubic Corporation engages in the design, development, manufacturing and installation of defense electronics and transportation fare collection systems. Cubic Defense Applications maintains a facility in San Diego.