LONDON, ENGLAND - JUNE 10: King's Troop Royal Horse Artillery fire a 41-gun salute in Green Park to celebrate the 92nd birthday of Prince Philip, the Duke of Edinburgh on June 10, 2013 in London, ... more 
LONDON, ENGLAND - JUNE 10: King's Troop Royal Horse Artillery fire a 41-gun salute in Green Park to celebrate the 92nd birthday of Prince Philip, the Duke of Edinburgh on June 10, 2013 in London, England. The Duke of Edinburgh underwent a scheduled operation on his abdomen at the London Clinic on June 7, 2013 and will spend his birthday in hospital where he remains under observation. (Photo by Oli Scarff/Getty Images) less 
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Getty Images | Photo By Oli Scarff / Getty Images
Mon, Jun 10, 2013 7:38 AM EDT