Question

When an attack by hostile aircraft or missiles is probable, which air defense warning condition is declared?

Answer 1

When an attack by hostile aircraft or missiles is probable, the air defense warning condition that is declared is DEFCON 3.

Step-by-step explanation:

When an attack by hostile aircraft or missiles is probable, the air defense warning condition that is declared is DEFCON 3, which stands for defense readiness condition 3.

DEFCON 3 indicates an increase in readiness above normal readiness levels, but it does not signify an imminent attack.