center at australian national university. he joins us now from canberra, australia this morning. break this down for me. talk to me about the satellites that took these images, when they were taken and why they set off the red flags that they set off. >> okay. this is a photograph from the 16th of march, so it's several days old now, but this is not an area of the world that we try to photograph all that frequently. i mean, let's not forget, there's nothing there except lots and lots of water. so, this is far away from anywhere. it's far away from australia, from africa. this is not a part of the world that is frequented very often. it's not even right on the track, the sea lines of communication that the major maritime trailing ships pass by. so, this is out of the way. this is something that had to be photogra photographed, and these photographs are taken around the world all the time, but you