HMS Medina 12,500 Tons. A P & O liner which was put on duty as a Royal Yatch. It returned in the 3rd week of January. A little over 2 months later the TITANIC sank. The TITANIC was over 40,000 tons
The three mast you see are for Radio Communication. The signals from this were recieved at the "Marconi" station in Red Fort while still 900 miles at sea.