The core function of the Ministry of Defence as spelt out in the Armed Forces Act, chapter 199 is to defend the Republic of Kenya against armed external aggression. The secondary mission is to provide support to civil authorities in maintenance of order. In this regard, the Ministry contributes to the maintence of national security by guaranteeing and preserving the territorial integrity of our country.
The Kenya Defence Forces have been involved in various civil activities that contribute to poverty alleviation in line with the Government Policy Paper -Economic Recovery Strategy for Wealth and Employment Creation 2003-2007.
Some of the notable activities that the Ministry has undertaken in the recent past include the distribution of emergency relief supplies under the Operation Okoa Maisha, enhancement of security along the common borders, curbing of rampant cattle rustling; rehabilitation of public institutions; drilling of boreholes; construction of dams and grading of roads. All these are being done in the North Rift region under Operation Dumisha Amani.
As a member of the World Community, Kenya has the responsibility together with other nation states in supporting the United Nations and the African Union to maintain peace through preventive measures. To this end the Kenya Defence Forces have been involved in regional and international peacekeeping operations. They have demonstrated high level of professionalism and commitment towards this worthwhile cause. Their efforts are meant to complement Kenya's foreign policy of being pro-active in addressing global concerns.