TOO HOT TO HANDLE Seaman David Mayfield practices a boiler light-off in the two main machinery room aboard the aircraft carrier USS Kitty Hawk, April 25, 2008. The ship's boilers reach temperatures of more than 500 degrees Fahrenheit to produce steam for the ship's propulsion and auxiliary power. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 320307-Y-AYL91-673.jpg Photo Gallery