Britain's Prince Harry greets competitors from the United States while observing the final practice sessions before the start of the 2014 Invictus Games. Invictus Games is an international competition that brings together wounded, injured and ill service members in the spirit of friendly athletic competition. American Soldiers, Sailors, Airmen and Marines are representing the United States in the competition which is being held in London, England from 10-14 September 2014. (U.S. Navy photo by Mass Communication Specialist 2nd Class Joshua D. Sheppard/Released)