King Charles III (left) and US President Donald Trump review the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038083851, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

King Charles III (left) and US President Donald Trump review the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038083862, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

King Charles III (right) and US President Donald Trump review the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038083865, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

King Charles III (right) and US President Donald Trump review the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038083881, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

The Prince and Princess of Wales during the ceremonial welcome at Windsor Castle, Berkshire, on day one of US President Donald Trump's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038083893, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Chris Jackson / PA Images / Profimedia

King Charles III (left) and US President Donald Trump travel in the Irish State Coach during the carriage procession to Windsor Castle, Berkshire, ahead of the ceremonial welcome on day one of the US President's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038083910, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Adrian Dennis / PA Images / Profimedia

King Charles III (left) and US President Donald Trump review the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038084023, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

US President Donald Trump reviews the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038084421, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

US President Donald Trump reviews the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038084604, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

US President Donald Trump reviews the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038084617, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

(left-right) First Lady Melania Trump, US President Donald Trump, King Charles III and Queen Camilla during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038084916, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

(left-right) First Lady Melania Trump, US President Donald Trump, King Charles III and Queen Camilla during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038084922, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia

The Princess of Wales, the Prince of Wales, First Lady Melania Trump, President Donald Trump, King Charles III and Queen Camilla review the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038085694, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Chris Jackson / PA Images / Profimedia

The Prince and Princess of Wales during the ceremonial welcome at Windsor Castle, Berkshire, on day one of US President Donald Trump's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038083814, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Chris Jackson / PA Images / Profimedia

King Charles III (left) and US President Donald Trump review the guard of honour during the ceremonial welcome at Windsor Castle, Berkshire, on day one of the president's second state visit to the UK. Picture date: Wednesday September 17, 2025.,Image: 1038083846, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Jonathan Brady / PA Images / Profimedia