Okay, enough with the questionable humor.
As you recall, one problem I've highlighted thus far is the fact that even though an aircraft may be detected by radar, it may not be on the controller's scope because the data simply isn't fed to the facility. That presents a situation very much like what occurred (and still occurs) at Frederick.
The other problem involves the inability of a radar to see directly overhead. Take a look at the "eye" of our chicken. Now, let's remove the radar icons....
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