The Air Defense Command Control & Alert (ADC2A) is an Echelons Corps and Below (ECB) air defense system integrating radars, short-range air defense weapons, and operation centers through military communications network.

The ADC2A distributes air defense situational and early warning information among participating components, performs threat evaluation and weapon assignment, and controls proper engagement in real-time.

Through the ADC2A the Army has secured situational awareness and real-time air defense operational capabilities.