On Tuesday, April 13, in Vacaville, Calif., Andrew Sheehan kissed the coffin of    his brother, Specialist Casey Sheehan, who died in action just two weeks after he arrived in Iraq.                                    Peter DaSilva for The New York Times

Sheila Cobb, mother of Pvt. 1st Class Christopher Cobb, is held up by marines after she collapsed by the side of her son's grave during his burial ceremony on Wednesday at Manasota Memorial Park in Bradenton, Fla.                                                                 Tiffany Tompkins/Bradenton Herald via AP

A U.S. Army honor guard saluted the hearse transporting the casket of Pfc. John Amos II as it arrived for his burial on Wednesday in               Valparaiso, Ind. Pfc. Amos died on April 4 in Kirkuk, Iraq, after an        explosive device hit his military vehicle.             Agence France-Presse

Cassie Ingle-Pettus, left, hugged Kristina Avelar as they mourned  the     death of Lance Cpl. Travis Layfield of the U.S. Marines during a vigil last   Friday (April 9) in Fremont, Calif.                         Agence France-Presse

Flag-draped coffins are shown inside a cargo plane April 7 at Kuwait International Airport, in a    photograph published Sunday. The photographer said she hoped the image would help families
understand the care with which fallen soldiers are returned home.         PHOTO BY TAMI SILICIO

Marines stand at attention as the casket of Lance Cpl. Matthew Serio is unloaded from an  aircraft on Monday, April 12 at T.F. Green Airport in Warwick, R.I.              Associated Press