![WINDSOR, ENGLAND - JULY 22: Prince Philip (R), Duke of Edinburgh listens to buglers during the transfer of the Colonel-in-Chief of The Rifles at Windsor castle on July 22, 2020 in Windsor, England. The Duke of Edinburgh has been Colonel-in-Chief of The Rifles since its formation in 2007. HRH served as Colonel-in-Chief of successive Regiments which now make up The Rifles since 1953. The Duchess of Cornwall was appointed Royal Colonel of 4th Battalion The Rifles in 2007. (Photo by Adrian Dennis - WPA Pool/Getty Images)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/5OMA7QZXB3OXPAK7T2UUSYGXJY.jpg?smart=true&auth=6d84e2b74b8ec75d894bcdd1b58d6a0ea27beb35a4072f7dbcb71b99f9a8403e&width=400&height=225)
Prince Philip has spent 16 nights in hospital after being admitted on February 16. Getty
Prince Philip has spent 16 nights in hospital after being admitted on February 16. Getty
Duke of Edinburgh undergoes heart surgery
Buckingham Palace says procedure was a success and Prince Philip will remain in hospital in London