Here is what he probably saw/visited during his stay there.
He is also responsible for the organizational enablment or something similar functionality of Ethiopian Defense Forces.
Ethiopia could be said a small country that can't afford such a massive military power, but don't underestimate Ethiopia. In about perhaps 20 to 30 years, if not even less, Ethiopia will surpass the total population of Russia. Ethiopia will also be in a position to hold such massive power if it continues on its current path of economic growth trajectory, if not earlier, then definitely in about 10 years' time.
China-Russia-Ethiopia Trio Military power can be a formidable force to reckon on for securing the world peace.
Here also the third in the mix.