PHOTOS: The life of Beau Biden

AP Photo/Rob Carr)

In this Friday, Oct. 3, 2008 file photo, Delaware Attorney General Beau Biden, center, stands with other members of his Delaware Army National Guard unit during a deployment ceremony in Dover, Del. before heading to Iraq.

AP Photo/Khalid Mohammed

In this Saturday, July 4, 2009. file photo, U.S. Vice President Joe Biden, right, talks with his son, U.S. Army Capt. Beau Biden, at Camp Victory on the outskirts of Baghdad, Iraq.

AP Photo/Pat Crowe II

In this Tuesday, Nov. 7, 2006 file photo, Delaware Attorney General candidate Beau Biden, holds his son, Hunter, as he walks with his wife, Hallie, holding their daughter, Natalie, as they enter a polling place to cast their votes in Wilmington, Del.

AP Photo/Paul Sancya

In this Wednesday, Aug. 27, 2008 file photo, Delaware Attorney General Beau Biden, son of Democratic vice presidential candidate, Sen. Joe Biden, D-Del., introduces his father at the Democratic National Convention in Denver.

AP Photo/Rob Carr

In this Wednesday, Sept. 30, 2009 file photo, Capt. Beau Biden carries his son Hunter, 3, on his shoulders after an official welcome home ceremony for members of the Delaware Army National Guard 261st Signal Brigade in Dover, Del.

AP Photo/File

In this Jan. 5, 1973 file photo, four-year-old Beau Biden, foreground, plays near his father, Joe Biden, center, being sworn in as the U.S. senator from Delaware, by Senate Secretary Frank Valeo, left, in ceremonies in a Wilmington hospital. Beau was injured in an accident that killed his mother and sister in December 1972. Mrs. Biden's father, Robert Hunter, holds the Bible.

AP Photo/Lana Harris

In this Jan. 3, 1985 file photo, Sen. Joe Biden (D-Del.) holds his daughter, Ashley, while taking a re-enacted oath of office from Vice President George Bush during a ceremony on Capitol Hill in Washington as his sons Beau, foreground, and Hunter hold the bible.