This afternoon at 1307 hours, Rescue Box 503 was dispatched for the serious auto accident at Route 4 & Chaneyville Road. Squad 5, Engine 52, Ambulance 58, Ambulance 59, Chief 5, Chief 5B, Chief 5C & both Safety Officers arrived to find a high speed rear end accident. Two patients (a pediatric and adult) were flown to a local trauma center. A third patient was ground transported to CalvertHealth Medical Center.