Am I correct about this or if one of these aircraft were lost, would a new one be built to replace it?
You're basically correct. In economic terms, there's something called economies of scale, meaning it's less expensive to build a lot of something than a little of it when it required specialized means of production. One of the reasons the Seawolf
-class attack boats are so expensive, for instance, is the fact that there are only three of them..same goes for the B-2, F/A-22 and the C-5, for instance. If a C-5 is lost, since the production line is long shut down and even if it were able to be quickly reopened, the cost of just building one would be prohibitive.
As for you second question, Joe Baugher keeps some registration #s on his website at http://www.csd.uwo.ca/~pettypi/elevon/baugher_us/
, however, the "modern" A-Series is missing, the B-1 and B-2 are missing, as well as Cargo aircraft.
South Carolina - too small to be its own country, too big to be a mental asylum.