/topics/news/b/announcements/posts/royal-navy-guarding-edinburgh-castle-and-the-palace-of-holyroodhouseSailors from across the Royal Navy will have the honour of guarding Edinburgh Castle and the Palace of Holyroodhouse for first time over the next six days. From today (May 16) until next Thursday (May 22), more than 100 sailors are involved in majoen-USTelligent Community 12