Did Prince Philip serve in WW2 and which regiment was he in? Apr 16 2021, 11:14 ET THE Duke of Edinburgh was one of the hardest working royals during his decades of service by Her Majesty's side - conducting 22,219 solo engagements since 1952. But Prince Philip, Duke of Edinburgh, was a Royal Navy man before he became involved with Princess Elizabeth and eventually became part of the Royal Family. So what exactly was his role in the military? 3 Did Prince Philip serve in WW2? Philip was born into the Greek and Danish royal families, but his family was exiled from his home country of Greece when he was just eighteen months old.