On 1 January 2013, the same commander announced that the sub-systems of the home made air-defense system are being tested in laboratory.

The goal of this effort was to improve the ability of strategic bombers to penetrate air-defense systems.

They may also carry man-portable air-defense systems for additional air defense capability.

Unlike in the past, the Russian military apparently did not put its air-defense system on alert, according to the Interfax news service.

The Russian air-defense system just went to a higher alert level.

"Yes, and our air-defense systems are invincible, too," another minister snorted.

There were still hills to hide behind, though one of them had a radar on it, a big, powerful air-defense system.

Iraq has reconstructed much of its air-defense system, and this is also a likely target for an allied attack.

American and British warplanes bombed an air-defense system in northern Iraq yesterday, officials said.

It would start with attacks on the air-defense system and then broaden to include other strategic targets in the country.