Ill bet its an evil Reagan death ray gun mount from back in the day of the star wars buildup.
If I send a link of this pic to the DU or KOS I bet they go all Conspiricy,,,hehe, I am such a dumbass!
Rich: You forgot your tinfoil hat.
It’s the mount pedestal for a very large relatively low freq air search radar that has better resolution than the fixed array antennas.
That’s my story, and I’m sticking to it.
PeterT