The Telegraph, the Court Circular entry read, “The Prince of Wales this afternoon visited the Secret Intelligence Service.”The father of three made a similar visit in 2022 when he was still the Duke of Cambridge.And in 2012, William went to the MI6 headquarters in London with his wife, Kate Middleton.In 2019, William also spent a 3-week stint working with the MI5, MI6, and GCHQ teams to grasp a better understanding of how the UK’s security and intelligence agencies work.