Prince Harry in Washington, D.C. (19 images)

Prince Harry helps to plant a tree in the British Ambassador's Residence garden in recognition of U.S. and British wounded warriors, in Washington, D.C. on May 7, 2012. UPI/Kevin Dietsch

Prince Harry poses with a group of U.S. and British wounded warriors during a reception at the British Ambassador's Residence in Washington, D.C. on May 7, 2012. UPI/Kevin Dietsch

Prince Harry (L) and Sir Peter Westmacott (2nd-L), the British Ambassador to America, talk to Dr. Jill Biden (R), the wife of U.S. Vice President Joe Biden, during a reception for U.S. and British wounded warriors at the British Ambassador's Residence in Washington, D.C. on May 7, 2012. UPI/Kevin Dietsch