After Hours

Image: The Air Defense Identification Zone

The Air Defense Identification Zone, or ADIZ, around Washington, D.C.

Federal Aviation Administration

By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the ...