treaties and other international acts series Mutual security : assurances under mutual security act of 1951 : agreement between the United States of America and the United Kingdom of Great Britain … treaties and other international acts series Mutual security : assurances under mutual security act of 1951 : agreement between the United States of America and the British/United States Zone, free territory … treaties and other international acts series Mutual security : assurances under mutual security act of 1951 : agreement between the United States of America and Thailand treaties and other international acts series Participation of South African forces in United Nations Operations in Korea : agreement between the United States of America and the Union of South Africa treaties and other international acts series Army mission to Venezuela : agreement between the United States of America and Venezuela