This multi-Service tactics, techniques, and procedures (MTTP) publication establishes communications tactics, techniques, and procedures (TTP) for tactical command and control (TAC C2) to manage air operations and to control airspace and aircraft. It also establishes TTP for force packaging and direct air support coordination, air-to-air (A/A) communication, A/A intercept, threat A/A warning, threat surface-to-air warning, and airto-surface communication.