Some important training exercises will take place in Osage Beach throughout the day Friday. Lake Regional Health System will be conducting a disaster drill. Volunteers will play the parts of wounded patients. It gives the staff a chance to train under conditions designed to simulate an actual disaster situation. The hospital will also be conducting a desk top training session involving several regional health systems. That will help prepare them for dealing with patient overflow during a disaster. In addition to hospital staff, police and EMS are also expected to be involved in the drills.