Article 45 United Nations Charter
Article 45 of the United Nations Charter is under Chapter VII: Action with Respect to Threats to the Peace, Breaches of the Peace, and Acts of Aggression
Article 45
In order to enable the United Nations to take urgent military measures, Members shall hold immediately available national air-force contingents for combined international enforcement action. The strength and degree of readiness of these contingents and plans for their combined action shall be determined within the limits laid down in the special agreement or agreements referred to in Article 43, by the Security Council with the assistance of the Military Staff Committee.
See also: Article 44 United Nations Charter