By the year 2022, the Constitutive Act of the African Union (AU) would have been in operation for twenty years. One of the major bases for cooperation under the new institutional framework of the AU was that all member States of the union had to observe some fundamental norms, values and standards including but not limited to, respect for human rights, democratic governance and the total condemnation of unconstitutional change of government. If a member state fails to observe this standard, she could be subjected to political, economic and social sanction. The Constitutive Act of the AU in its Article 4(h) states that the AU has the right of intervention in a member State pursuant to a decision of the Assembly in respect of grave circumstances, namely; war crimes, genocide and crimes against humanity and by the Article 4(j) of the same Act, a member State can even request for intervention from the union in order to restore peace and security. In the light of these provisions, the AU has intervened in some countries e.g. Burundi, Comoros and Mali among others through peacekeeping operations. This article will therefore critically analyze the challenges and emerging issues faced by contingents to these peacekeeping mission fields.