very much indeed for joining us tonight. i want to go to lee romaine now. a satellite imagery analyst. the perfect person to talk to about where we are with these satellites. let s have simple q and a here. how many satellites are there in the world, up in the stars there looking down? how many are currently engaged in this search, and how powerful are tele? well, there are a total of about 1600 satellites up in space currently. but those are not all imaging satellites. the satellites, where they re being utilized currently, are the optical satellites. day glow has five of those. astrium the friends in space has four of those. all those are being utilized. then there are the terrastar x-ray cterrastar