>> how are you doing? >> how are you doing? >> reporter: he paid tribute to all the servicemen and women fighting on the front lines. and on this day of remembrance, honoring those killed in war zones and past conflicts, including two of his colleagues. a soldier, sailor, and an airman, williams is a qualified military helicopter pilot. known in the royal air force as flying officer wales. only last month, william said that he wants to follow in the footsteps of his brother harry and one day serve in afghanistan. >> and i still have hope and faith and real determination to go out there. >> reporter: but for the second in line to the throne, he might not get the chance to do that. because it is simply too dangerous. remember when harry was with his unit fighting for his country in