Niger is among the northern African states that has been under attack by foreign-funded jihadists, and it needs all the *military* help it can get.
Turkey is the main Nation State that provides the arms to Sunni jihadists. They are the foreign funders of jihad.
They provided ISIS the full suite of logistical support.
ISIS was allowed to openly operate dozens of offices in Turkey. ISIS casualties were provided free medical care in Turkish hospitals, as explicit policy. The great bulk of ISIS foreign recruits came through Turkey. The oil that ISIS smuggled out to fund their operations, went out through Turkey, with heavy involvement of Erdogan’s own immediate family. The great bulk of the ammo fired by ISIS in Syria can from Turkish Military arsenals. Qatar wrote checks, but Turkey provided all the beans and bullets, and more.
The headquarters of the Islamic Brotherhood is now in Turkey, as guests of the Government.
Turkey is now the hub of militant Sunni jihadists. That is the side they are going to be on in Niger.