british military troops conducted a dry run of their own. many served on the front lines of the wars in iraq and afghanistan. british prime minister david cameron shared the mood of the country with cnn's richard quest. >> it's an exciting time. the british people don't always wear their heart on their sleeve but people are generally excited. it's not just that it's a good looking prince and a beautiful princess. it's much more than that. the monarchy is such an amazing institution. it's been through some incredible phases. if you like the team of the future. >> it's all very exciting. you'll want to stay with cnn for the full royal wedding experience. our special coverage begins friday at 4:00 a.m. eastern. will be up early to watch? >> no. no. that's why they created dvr. i don't think i'll get up at 4:00 in the morning. i'm sure millions and millions and hundreds of millions, billions will watch around the world. i have to be strong by 5:00 in the afternoon and be ready to