>>63808152 (OP)First need to industrialise it
>No waterShit load of air wells, get water and attempt irrigation or support a population without full reliance on water exports
>No electricityShit load of solar panels and wind turbines, wind speed in the region would support the wind turbines, can now export electricity
>Heavy industryAs other anons have said mining
>Service industryAs one anon said, tax haven, flag of convenience, and then with all the electricity host servers
>MilitaryIt's Africa so drones, FPV drones, helicopters, and 500 mercenaries would be enough unless Sudan or Egypt became interested enough.
>All of the aboveWould expect at that point if its all worked that it would then support a permanent population either working in, adjacent to or supported by those industries like shops, fastfood, car salesmen, teachers etc and then there's a taxbase. Only problem is first getting everything running, the upfront cost and then being able to get people to move there.