U.S. Marine Corps Gen. Joseph F. Dunford Jr., center, the commander of International Security Assistance Force (ISAF) and U.S. Forces-Afghanistan, and senior military and civilian officials attend a Remembrance Day ceremony at ISAF headquarters in Kabul, Afghanistan, Nov. 11, 2013. Remembrance Day is a memorial day observed in Commonwealth countries since the end of World War I that recognizes service members who died in the line of duty.