The link to all the information is here:
https://odin.tradoc.army.mil/DATEWORLD . Basically the US military, for training exercises, has created a bunch of fictional countries. It's actually really in depth: whole descriptions of fictional politics, force structures, geography, etc. For example, here's an article on the "Amari National Defense Force":
https://odin.tradoc.army.mil/DATE/Africa/Amari/Amari%20Natio...