Kennedy backed down and abandoned his attempts to persuade the UK to accept the MLF in return for Macmillan 's promise to assign UK Polaris boats to NATO .
Kennedy 's offer of Hound Dog was declined ; the British government wanted Polaris .
Kennedy backed down and abandoned Kennedy 's attempts to persuade the British to accept the MLF in return for Macmillan 's promise to assign British Polaris boats to NATO .
Kennedy 's offer of Hound Dog was declined ; the British government wanted Polaris .