“…Developed initially by Bob Twiggs and Jordi Puig-Suari as a tool to facilitate aerospace engineering education [28], CubeSats are now widely used by education [29,30] as well as being developed for science [31][32][33][34], government [35], military [36,37] and commercial [38,39] purposes. Their development is being aided [40] by the availability of free-to-developer launch services from the U.S. Air Force [41], NASA [42] and the ESA [43]. Lower-cost commercial launches are also on the horizon [44,45].…”