How many people did Michelle Obama take with her to England?

When Mrs. Obama went to England for the Olympics, she was representing the United States. She therefore traveled with a secret service contingent to protect her, and with aides and a press secretary, all of whom helped to keep her up-to-date on her schedule and her appointments. While in England, she not only was the head of the U.S. Olympic delegation; according to the White House website, she also attended a reception at Buckingham Palace hosted by Queen Elizabeth II, met the wife of the British prime minister, and visited with U.S. military personnel at the Royal Air Force's Mildenhall base.