Shortly after 2 pm today, Company 10 was alerted for a house fire at 3245 Indian King Court, in the Huntington section of Waldorf. CCSO advised they were on the scene of a duplex with smoke showing from all windows. First arriving units from Waldorf advised they had fire showing from the Bravo and Charlie sides of a single story duplex. They advanced a line and began knocking the fire. Truck 1 arrived and began ventilating and opening up for the Engine Companies. E102 arrived as the 3rd due Engine (dispatched 5th due) and picked up E33's line. E102 was assigned to the exposure to open up. Units were held for some time for extensive overhaul. E102 returned to service at 1846.