At 1115 hours, Sussex EOC alerted Station 85, Lewes (82), Georgetown (77) Mid Sussex Rescue Squad (91) and Sussex County EMS for a residential structure fire in the Cool Spring Farms subdivision. Engine 82-2 arrived first due to find a double wide trailer with fire showing and assumed the first due engine. Engine 77-4 arrived next assuming the second due engine, with their crew assisting the crew of 82-2 with fire attack. Engine-Tanker 85-2 arrived next with Asst. Chief Millman (85-18) assuming command. Crews knocked the bulk of the fire down within minutes with searches proving negative. Command quickly scaled the assignment back to 82-2, 77-4, and the 85 units. Units responding, ET 85-2, 85-4, Tanker 85, 82-2, 82-9, Tanker 82, 77-4, Tanker 77, 77-2, B-91, Medic 106, DSFP.