The Georgetown Fire Co., Inc. was dispatched for an engine company to assist Station 81 on a serious MVA, tractor trailer vs. SUV. Engine 77-1 responded with 1st Asst. Chief Rogers and were instructed to secure an LZ for Maryland Trooper 4. Both patients were already extricated by Rescue 81. All 3 patients were transported to PRMC and NMH. Engine 77-1 was released by command a short time later.