BIRKENHEAD, ENGLAND - SEPTEMBER 26: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge join Sir David Attenborough (not pictured) as they attend the naming ceremony for the polar research ship the RSS Sir David Attenborough at the Cammell Laird shipyard on September 26, 2019 in Birkenhead, England. (Photo by Peter Byrne-WPA Pool/Getty Images)
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BIRKENHEAD, ENGLAND - SEPTEMBER 26: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge join Sir David Attenborough as they attend the naming ceremony for the polar research ship the RSS Sir David Attenborough at the Cammell Laird shipyard on September 26, 2019 in Birkenhead, England. (Photo by Peter Byrne-WPA Pool/Getty Images)
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BIRKENHEAD, ENGLAND - SEPTEMBER 26: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge join Sir David Attenborough (C) as they attend the naming ceremony for the polar research ship the RSS Sir David Attenborough at the Cammell Laird shipyard on September 26, 2019 in Birkenhead, England. (Photo by Peter Byrne-WPA Pool/Getty Images)
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BIRKENHEAD, ENGLAND - SEPTEMBER 26: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge and Sir David Attenborough attend the naming ceremony for The RSS Sir David Attenborough on September 26, 2019 in Birkenhead, England. (Photo by Anthony Devlin/Getty Images)
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