"John Szalay" wrote in message
42...
"Alan Erskine" wrote in
news
Much clearer in Google Earth images.
appear to be roofless hanger/engine test stands.
perhaps an effort to keep noise to a minimum.
as well as a way to keep prying eyes and/or dust down
both appear to have two tiedown posts/points visible inside..
Thanks guys; much appreciated. I wasn't sure - they're pretty large for
engine test beds, but you've both come to the same conclusion so I'll accept
that.