NBC's ROCK CENTER WITH BRIAN WILLIAMS to Air Encore Presentations

NBC's ROCK CENTER WITH BrIan Williams will air encore presentations on THURSDAY, DECEMBER 27 AT 10P/9C & THURSDAY, JANUARY 3 AT 10P/9C.

THURSDAY, DECEMBER 27 AT 10P/9C

A first for network television, NBC News was granted unprecedented access to the most secret and secure part of the White House, the Situation Room. In a "Rock Center with BrIan Williams" exclusive, President Obama, his top leadership, national security and military teams, relived the pivotal moments of the raid targeting Osama bin Laden.

The iconic photograph taken inside the Situation Room offered the world the first glimpse of a national security team at work during the Special Operations mission. Viewers will hear from President Obama; Vice President Biden; Secretary of State Hillary Rodham Clinton; Admiral Mike Mullen, USN, Chairman of the Joint Chiefs of Staff (from 2007 to 2011); Tom Donilon, National Security Advisor; Denis McDonough, Deputy National Security Advisor; and John O. Brennan, Assistant to the President for Homeland Security and Counterterrorism. (REPEAT)

THURSDAY, JANUARY 3 AT 10P/9C

In a candid and revealing interview about the beloved 35th president, Meredith Vieira sat down with Mimi Alford, the author of Once Upon a Secret My Affair with President John F. Kennedy and its Aftermath. An exclusive interview, Alford shared explicit details about her 18-month affair with the President that began when she was only 19 years old. (REPEAT)