The British Ministry of Defence has begun providing high-visibility riding clothes to 400 members of the British Horse Society to help crews of low-flying helicopters avoid passing over riders and spooking their horses. The U.K. military came under severe criticism after a woman was killed when a low-flying Royal Air Force Chinook startled her horse. A trial using fast, low-flying Pumas determined that riders with high-visibility clothing could be seen in time for pilots to take evasive action; those not so attired were spotted too late. More