President Obama observes 12th anniversary of September 11th attacks

President Barack Obama will observe the 12th anniversary of the terrorist attacks on the World Trade Center and the Pentagon with a moment of silence and a visit to the Pentagon Memorial.

Obama on Wednesday will join first lady Michelle Obama, Vice President Joe Biden, Jill Biden and members of the White House staff in a moment of silence on the White House South Lawn.

The president will then attend a Sept. 11 observance at the Pentagon.

In the afternoon, Obama will take part in a service project to commemorate the National Day of Service and Remembrance.

Obama to observe 12th anniversary of 9/11

Moment of silence at 8:45 a.m. EDT, Pentagon ceremony at 9:30 a.m., service project at 2 p.m.