Squad 1 and 2 were sent to Rogers Clark Blvd for an accident involving two tractor trailers and a passenger vehicle. Chief 11 arrived and additional resources were requested for the four injured patients, two of them critical and all four were trapped in the car. Engine 8 arrived and dropped off personnel to assist with extication and Engine 8 then reported to Caroline High School to set up a landing zone for two Medivacs. The victims were removed by Squad 1 within 15 minutes and transported to the LZ. Squad 2 assisted with lighting and provided an operator for one of the ambulances. The other patients were sent by ground to the hospital with non-life theatning injuries.