Loaded down with camera and diving gear, producer D.J. Roller takes the plunge. Back to Behind the Scenes Tour the Monitor | Behind the Scenes Eyewitness to the Battle | Steam Machine | Resources Transcript | Site Map | Lincoln's Secret Weapon Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule | About NOVA Watch NOVAs online | Teachers | Site Map | Shop | Search | To Print PBS Online | NOVA Online | WGBH © | Updated May 2003