(AP) — Nine people were killed in a crash involving two Army Black Hawk helicopters conducting a nighttime training exercise in Kentucky, a military spokesperson said. Fort Campbell is located near the Tennessee border, about 60 miles (97 kilometers) northwest of Nashville, and the crash occurred in the Trigg County, Kentucky, community of Cadiz. Last month, two Tennessee National Guard pilots were killed when their Black Hawk helicopter crashed along an Alabama highway during a training exercise