Just after 0730 hours, Sussex ECC alerted Station 85 for a structure fire on Forest Rd.  ECC dispatchers immediately upgraded to a box assignment adding Lewes (80), Georgetown (77), and Indian River (80) to the response.  Car 85 responded with Assistant Chief Millman as officer.  ECC advised Car 85 they were receiving reports of a trailer on fire next to the house fire from earlier this morning.  Car 85 arrived and confirmed a single wide trailer fully involved.  Engine 82 arrived first and took the first due engine assignment and began fire attack.  Milton and Indian River units arrived and assisted with fire attack.  Crews had the scene under control in about 20 minutes.