Mr. Liebeler. And it would have to identify itself?
Mr. Delgado. That's true.
Mr. Liebeler. And the code or signals that you sent to the aircraft requesting it to identify itself were classified information?
Mr. Delgado. That's right, along with the range capabilities of the radar sets and their blindspots and so forth and so on. You know, each site has blindspots, and we know the degrees where our blindspots are and who covers us and that information. That's considered secret, what outfit covers us and things like that.
Mr. Liebeler. And what was the latter——
Mr. Delgado. What outfit covers us, that we can see. And as I say, the capabilities of the radars, as I said before.
Mr. Liebeler. How far out they can reach?
Mr. Delgado. Yes.
Mr. Liebeler. And pick up an aircraft?
Mr. Delgado. Yes; and how high——