astronaut, and later became a senator after his days at nasa and the main campus at cleveland hopkins international airport, why you see the runway on the screen, more than 140 buildings, that include 24 major facilities, and you have a large area here, that it covers, 500 specialized research and test facilities, there's a team on the ground from nasa that consists of 3,000 civil service employees and support service contractor personnel, a significant facility at the airport there, in cleveland. west of cleveland, anyway. martha: we are working on getting somebody on the known who is close to the situation, who can give us more information. as we said the local report was that there was a gunman there and as bill pointed out, there is more than 140 buildings on the campus and it is a huge facility, 24 major facilities, over 500 specialized research and test facilities, a huge, huge complex, and, initially the reports from building 77, we don't know if there is any meaning to that at this point. as they continue to try to find