Transfer of Remains Ceremony (10 images)

President Barack Obama watches while transfer cases are placed into hearses during in the Transfer of Remains Ceremony marking the return to the United States of the remains of the four Americans killed this week in Benghazi, Libya, at Joint Base Andrews near Washington, DC on September 14, 2012. UPI/Molly Riley/Pool

Transfer cases are carried during the Transfer of Remains Ceremony marking the return to the United States of the remains of the four Americans killed this week in Benghazi, Libya, at Joint Base Andrews near Washington, DC on September 14, 2012. UPI/Molly Riley/Pool

Transfer cases are carried during during the Transfer of Remains Ceremony marking the return to the United States of the remains of the four Americans killed this week in Benghazi, Libya, at Joint Base Andrews near Washington, DC on September 14, 2012. UPI/Molly Riley/Pool

President Barack Obama watches while caskets are placed into vehicles during the Transfer of Remains Ceremony marking the return to the United States of the remains of the four Americans killed this week in Benghazi, Libya, at Joint Base Andrews near Washington, DC on September 14, 2012. UPI/Molly Riley/Pool