In one famous case they used the unexposed film from one of the balloons, which was developed by us intelligence and used by us intelligence and used by us intelligence and used by us intelligence and they repurposed it to take photographs of the moon on one pair lunar probes, which i think is a fascinating example both of recycling, but also how you can recover useful materials. what is interesting in this case, unlike the balloon last week, is that it has fallen, as i said, on foreign ground. us officials are saying it has broken into a number of pieces, which of course is an interesting puzzle in itself, whether that suggests a balloon or some other kind of object, but what it does mean they should have more of the degree of the payload than they did with the last balloon last object and it should be more accessible and more available for them to analyse. fascinating. shashankjoshi, thank you very much for talking us through that. thanks. we are going to come back to the uk now. det ....