The flag, at 80 by 50 feet, is one of the largest in the country, organizers say.

The collection will also include 1,000 digital photographs, manuscript materials, logbooks and indexes, and more.

Even on such a somber day, Vice President Joe Biden finds ways to brighten our spirits. He promised to invite a group of firefighters to the White House beer, “no malarkey.” Well, he didn’t say malarkey at first.

On the 11th anniversary of the September 11 terror attacks, there are a number of ways to remember the horrific events and heroic deeds carried out that day.

Fox News says it has unmasked the former commando behind a forthcoming book that promises first-hand details of the Navy SEAL mission last May that led to the death of Osama bin Laden.

Yesterday the country observed the tenth anniversary of the attacks of September 11. Here’s a small sampling of related photographs from our Flickr pool; go here to check out some great pictures from New York, courtesy of sister site Gothamist.

When the ground started shaking on August 23, many people in and around the District assumed that their biggest fears had been realized — a terrorist had struck again. Beyond surprising many, the 5.9 magnitude earthquake also exposed the longstanding post-9/11 nervousness that comes with living in one of the places that the terrorist struck on that day. Call it the 9/11 psyche — it’s not if we’re going to be attacked again, but rather when.

Good morning, Washington. Ten years ago today, the unfathomable happened. Iconic towers crumbled to dust, and the structure of a great military institution suffered partial collapse. Nearly 3,000 people died in merciless terrorist attacks on the World Trade Center and the Pentagon on September 11, 2001. If not for the remarkable bravery of 40 heroes, it’s presumed many more would have perished in Washington.

Although you can expect to experience a heightened security presence inside Metrorail stations this weekend, the system is not a target of the “specific, credible” threat which federal officials briefed local leaders about last night.

UPDATE: (10:50 p.m.): Mayor Gray held a press conference around 10:30 p.m. this evening, stating that he had been briefed on “credible but unconfirmed threats” by Department of Homeland Security head Janet Napolitano.