Everyone needs a friend like David Hart.
The British soldier who was killed by a Taliban bomb last year left more than $160,000 in his will so his friends could go to Las Vegas.
On Memorial Day, we commemorate all the U.S. soldiers who've died while serving our country. With so many of our servicemen and women currently on dangerous overseas assignments, it's also a time to think about their sacrifice, and the sacrifice of their families back home.
In these videos, families of soldiers get the surprise and relief of a lifetime when their loved ones return home from duty u