President Barack Obama applauds as Harold Fritz, president of the Congressional Honor Society is introduced during a ceremony commemorating Veterans Day, Monday, Nov. 11, 2013, at Arlington National Cemetery in Arlington, Va. (AP Photo/Manuel Balce Ceneta)
President Barack Obama places a wreath at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Va., Monday, Nov. 11, 2013, during a Veterans Day ceremony. (AP Photo/Pablo Martinez Monsivais)
A marker for Section 60, shine brightly in the afternoon sun at the Arlington National Cemetery, in Arlington, VA., Friday, October 18, 2013. (Andrew S Geraci/The Washington Times)
Tombstone 9938, of section 60, in the Arlington National Cemetery, marks the final resting place for Extortion 17, a group of service members who were killed in action in Afghanistan in 2011, in Arlington, VA., Friday, October 18, 2013. (Andrew S Geraci/The Washington Times)
Tombstone 9938, of section 60, in the Arlington National Cemetery, marks the final resting place for Extortion 17, a group of service members who were killed in action in Afghanistan in 2011, in Arlington, VA., Friday, October 18, 2013. (Andrew S Geraci/The Washington Times)
Tombstone 9938, of section 60, in the Arlington National Cemetery, marks the final resting place for Extortion 17, a group of service members who were killed in action in Afghanistan in 2011, in Arlington, VA., Friday, October 18, 2013. (Andrew S Geraci/The Washington Times)
Tombstone 9938, of section 60, in the Arlington National Cemetery, marks the final resting place for Extortion 17, a group of service members who were killed in action in Afghanistan in 2011, in Arlington, VA., Friday, October 18, 2013. (Andrew S Geraci/The Washington Times)
Tombstone 9938, of section 60, in the Arlington National Cemetery, marks the final resting place for Extortion 17, a group of service members who were killed in action in Afghanistan in 2011, in Arlington, VA., Friday, October 18, 2013. (Andrew S Geraci/The Washington Times)
Army Spc. 5 John L. Burgess receives full military honors at Arlington National Cemetery almost 43 years to the day after his helicopter crashed in South Vietnam. The lone survivor of the five-man crew was at Tuesday's service. (Associated Press)