LRAD Corp. (LRAD-NASDAQ) has announced that it has loaned six acoustic hailing devices (AHDs) to the National Guard to aid in relief efforts following the massive flood in Northern Colorado. At least eight individuals were killed by the flooding and hundreds more remain missing. The flood caused an estimated $2 billion in property damage to buildings, roads, power and phone lines and other infrastructure in the area, hindering communication as well as search and rescue efforts.