America will remember those lost fourteen years ago today when terrorists used four airplanes as weapons, killing a total of nearly 3,000 people at the World Trade Center in New York, the Pentagon and in a field in western Pennsylvania near Shanksville.
These are some of the events scheduled to honor the lives lost.
Washington, D.C.
6:40 a.m. - Unfurling of large American flag on the west side of the Pentagon, near the Pentagon Memorial.
8:45 a.m. - President Obama, the First Lady & the White House Staff observe a moment of silence on the White House South Lawn to mark fourteen years since the 9/11 attacks.
9:30 a.m. - Secretary of Defense Ash Carter and Vice Chairman of the Joint Chiefs of Staff Gen. Paul Selva will host a remembrance ceremony at the Pentagon Memorial to honor the memory of those killed here in the 2001 terrorist attack. This is a private remembrance for the family members of those lost in the terrorist attack and is not open to the general public.
11 a.m. - 4 p.m. - Day of service to benefit seniors and first-responders on the National Mall, next to the Reflecting Pool near the World War II Memorial.
3 p.m. - President Barack Obama observes anniversary with a visit to Fort Meade in Maryland, to honor U.S. troops.
Shanksville, Pa.
9:45 a.m. - Reading of the names of Flight 93 passengers and crew. Bells of Remembrance will be rung in their memory in Shanksville, Pennsylvania.
New York, N.Y.
8:46 a.m. - Moment of silence #1: Time of first plane strike - North Tower.
8:48 a.m. - Reading of the names begins. Church bells toll throughout the city.
9:03 a.m. - Moment Of Silence #2: Time of second plane strike - South Tower.
9:37 a.m. - Moment of Silence #3: Time of plane strike - Pentagon.
9:59 a.m. - Moment of Silence #4: Time of fall of the South Tower.
10:03 a.m. - Moment of Silence #5: Time of plane strike - Shanksville.
10:28 a.m. - Moment of Silence #6: Time of fall of the North Tower.
PHOTOS FROM THE 14TH ANNIVERSARY OF THE 9/11 TERROR ATTACKS: http://www.fox5dc.com/galleries/18884395-gallery
The Associated Press contributed to this report.