New Russian military advisers and military equipment have arrived in Niger, according to state television in the African country that wants U.S. forces to leave. A first set of about 100 Russian advisers had arrived in Niger on April 10 along with air defense systems. Two military transporters arrived Saturday, according to Tele Sahel that said Russia has now sent three cargo planes of military material and instructors in the past month. The Africa Corps, seen as the successors of the Wagner paramilitary group in Africa, confirmed the instructors’ arrival in a posting on the group’s Telegram a…