Theme memo blog. News, discussion and information about the National September 11 Memorial & Museum

Exploring 9/11: The World Before and After (September)

Retired Marine Lt. Col. Robert J. Darling is a former White House military office airlift operations liaison officer. In that position, Darling was charged with organizing all logistical aspects of travel for the White House. His recent book "24 Hours inside the President’s Bunker" details his time in the president’s emergency operations center on September 11, 2001.

The "Exploring 9/11" webcast series is exclusively produced for the 9/11 Memorial & Museum and is hosted by Clifford Chanin, senior program advisor for the 9/11 Memorial Museum. Check our website each month for a new installment in the series. If you missed previous webcasts, find it on The MEMO blog or visit

Download the guide for teaching and learning

By 9/11 Memorial Staff