After more than three dozen missions, space shuttle Discovery is getting set to call it a day. Join CNN.com Live for live coverage of Discovery's final mission.
Today's programming highlights...
10:30 am ET - Pentagon briefing on Afghanistan - ISAF and Afghan military officials brief reporters on current military operations in Afghanistan.
12:00 pm ET - Huckabee talks new book - Former Arkansas governor Mike Huckabee is reportedly considering a second run at the Republican presidential nomination. However, Huckabee currently has books on his mind. He'll discuss his latest book at the National Press Club.
1:00 pm ET - White House briefing - The situation in Libya will likely top Press Secretary Jay Carney's daily briefing with the White House press corps.
4:50 pm ET - Discovery liftoff - Space shuttle Discovery's 39th and final mission into orbit begins today. This mission involves hauling critical hardware and parts to the international space station.
7:15 pm ET - Motown honored at White House - The White House music series continues tonight with a tribute to the legacy of Motown Records. Smokey Robinson, John Legend and Sheryl Crow are expected to participate.
CNN.com Live is your home for breaking news as it happens.