At 16:11 Sussex EOC transmitted a Box Assignment for a reported structure fire at the above location. Engine 731 under the command of Asst. Chief Stevens responded at 16:14 with a crew of (5) & was advised numerous calls reporting smoke from a mobile home. Engine 731 arrived to find a 18 x 40 travel trailer with heavy smoke from all sides. Asst. Chief Steven established the Gulls Way IC and had the crew from Engine 731 stretched a 1 3/4" line through side "A". Engine/Tanker 73 & Engine 761 arrived & secured a water supply to Engine 731. Crews knocked the fire & contained it to the kitchen area with minor extension to the living area & 2nd flr. Crews operated for approx. 90 min. Millsboro transferred 1 Engine to Dagsboro during the incident.