June 15, 2003 It was revealed that the trailers discovered were for the production of hydrogen to fill artillery balloons, as the Iraqis had insisted all along. The artillery balloons were used to get detailed weather data to be used to accurately direct artillery shelling. A British scientist and biological weapons expert was quoted "They are not mobile germ warfare laboratories. You could not use them for making biological weapons. They do not even look like them. They are exactly what the Iraqis said they were - facilities for the production of hydrogen gas to fill balloons." It was confirmed later that this expert was Dr David Kelly