Corporal Stephen Jensen, a U.S. Marine assigned to Marine Wing Support Squadron-471, Marine Forces Reserve, participates in a ceremony here marking the 11th anniversary of the terrorist attacks of September 11, 2001. The ceremony, coinciding with events in New York City and Washington, D.C., featured a wreath-laying at a memorial for United Airlines Flight 93, remarks by Vice President Joe Biden and Secretary of the Interior Ken Salazar, and was attended by roughly 150 family members and guests. (Official White House Photo by David Lienemann)