a very senior royal and his two sons rose to their feet and came around to the front of the table , much to the puzzlement of the rest of the tables occupants and came to a halt in front of david , and came to attention , the father in his royal navy uniform perhaps not quite as smartly as his sons in their army and royal air force ones , but he made up for it in gold braid , and david stood open mouthed as colonel jameson introduced him to the royal party , your royal highness sir , may i have the honour of introducing warrant officer first class ( retired in a low voice ) david brian williams , distinguished conduct medal and bar to you .