President-elect Barack Obama will announce his national security team -- including Sen. Hillary Clinton as secretary of state -- at an event Monday morning, according to two officials. Sen. Hillary Clinton will be nominated to be Barack Obama's secretary of state, sources were quoted as saying by CNN. The Obama transition team announced Sunday that Obama will unveil the full team at a press conference in Chicago, Illinois, around 10:40 a.m. ET. CNN and CNN.com will carry the event live. The officials said Obama is also expected to finally confirm that he is keeping Defense Secretary Robert Gates in his current post. Obama plans to name retired Marine Gen. Jim Jones as his national security adviser at the White House, the officials said. Also, two sources close to the transition said Obama will nominate Susan Rice as United Nations ambassador; Arizona Gov. Janet Napolitano as homeland security secretary; and Eric Holder as attorney general.