Uniform Title Agreement between the Government of the United States of America and the Government of the Republic of Kenya Concerning Cooperation in Threat Reduction Biological Engagement Programs (2015 July 15) Title Weapons : proliferation : agreement between the United States of America and Kenya, signed at Nairobi, July 24, 2015 ; entered into force April 6, 2017 and agreement extending the Agreement of July 24, 2015, signed at Nairobi, April 5, 2022 ; entered into force April 5, 2022.