Britain's Prince Harry (left) examines the 30mm cannon of an Apache attack helicopter with an unidentified member of his squadron on Friday, Sept. 7, 2012, at Camp Bastion in Afghanistan, where he will be a co-pilot gunner. The 27-year-old prince, known as Capt. Harry Wales, is on his second tour of duty in Afghanistan. (AP Photo/John Stillwell, Pool)

Photo by: John Stillwell

Britain's Prince Harry (left) examines the 30mm cannon of an Apache attack helicopter with an unidentified member of his squadron on Friday, Sept. 7, 2012, at Camp Bastion in Afghanistan, where he will be a co-pilot gunner. The 27-year-old prince, known as Capt. Harry Wales, is on his second tour of duty in Afghanistan. (AP Photo/John Stillwell, Pool)