1. THE END

    Last U.S. Troops Leave Iraq

    US soldiers board the last C17 aircraft carrying US troops out of Iraq at Camp Adder on the outskirts of the southern Iraqi city of Nasiriyah on December 17, 2011. From the tens of thousands killed and wounded to the hundreds of billions of dollars spent in eight years of conflict, the cost of the Iraq war is astronomic and still growing. AFP PHOTO/MARTIN BUREAU (Photo credit should read MARTIN BUREAU/AFP/Getty Images)

    MARTIN BUREAU / Getty Images

    The last U.S. soldiers officially left Iraq early Sunday morning, ending the nearly nine-year war. The final column of around 100 mostly U.S. military armored vehicles carrying about 500 soldiers crossed the Iraq border into Kuwait in the early hours on Sunday, as soldiers whooped, bumped fists and embraced each other. NBC News’s Richard Engel tweeted  that the gate to Iraq had just closed and “soldier just told me, ‘that’s it, the war is over.’”

    Read it at NBC News