active air defense

Code 7777 is assigned to DOD interceptor aircraft on active air defense missions and operating without ATC clearance.

A senior IAF officer, who was not cleared to speak with his name and rank, said the drill, which shut down two-thirds of Israel's skies and included 60 fighter aircraft in the air, simulated a multilateral strike against an enemy country equipped with a modern air force, an active air defense and aerial terror capacities.

TEHRAN (FNA)- A recently-released satellite image showed that an active air defense base in Syria equipped with the most advanced S300 and S400 air-defense systems is ready to give harsh response to any possible assault.

The Arrow III is the high-altitude end of a triad of Israel's multi-tier active air defenses: Iron Dome against close-in threats up to 70 km, like rockets from Gaza; and David's Sling, which is designed to intercept short and mid-range projectiles up to 250 km away, and which successfully shot down an advanced missile in a live-fire trial two weeks ago.