"Three new Roman fortified camps have been identified across northern Arabia by a remote sensing survey by the University of Oxford’s School of Archaeology. Their paper, published...in the journal Antiquity, reports the discovery may be evidence of a probable undocumented military campaign across south east Jordan into Saudi Arabia." https://www.ox.ac.uk/news/2023-04-27-spectacular-new-find-roman-military-camps-desert-found-oxford-archaeologists-using