U.S. Troops Come Home From Iraq

The last U.S. soldiers rolled out of Iraq across the border into neighboring Kuwait at daybreak Sunday, whooping, fist bumping and hugging each other in a burst of joy and relief.

With the Iraq war ending and an Afghanistan exit in sight, the Marine Corps is beginning a historic shift — a return to its roots as a seafaring force that will get smaller, lighter and, it hopes, less bogged down in land wars.