Comment 1 for bug 895417

I think there are a few things you aren't considering in this either-or scenario: If the spy gets in there and establishes a link between the two radar towers, then the spy can transfer the topographical data that is bound to be inside the radar (maps of the terrain) to the allied radar station, thus revealing parts of the map that were previously uncharted.

Remember that radar in RA2 does not work the same way that radar works in real life. Radar doesn't necessarily detect incomming units (though you could argue that being able to see units in revealed terrain is "detecting" units), it stores data on revealed terrain. The only real-time data transfer going on is seeing the units that occupy the revealed terrain. Beyond the terrain you have mapped with your own units, it can't see anything in, say, the shroud/fog of war, and it doesn't reveal any terrain itself (not directly anyways). Perhaps for scenario A you could do this: As long as the building is intact, reveal the radar and see all the units going through it, but if the radar is destroyed/sold, then keep the terrain revealed, however cover it with fog of war. In that way, you transferred the maps, which stay in your info database, but you lose the ability of real-time scanning in that area.

If the player doesn't want fog of war, then select option B.

Also, I think we should hold off on expanding this logic until we can get the basic RevealRadar effect to work in the first place. If you don't recall, that's the one piece of the new spy logic that doesn't work.