Just before midnight Ashburn units were alerted for a structure fire in company 24′ first alarm district. Engine 611B and Tower 611 arrived to find a two-story commercial warehouse with nothing showing. Once crews gained entry they found a small fire in a garage that was held in check by the sprinkler system. Tower 6 assumed the 2nd special service role~ while Engine 606B (acting Engine 22) assumed RIT duties. Engine 6 was also on the run card and assisted opening up and checking the exposures.