Two videos from different angles.
Video tornado touching down on October 26, 2010 at the Chickamauga Lock at approximately 5:45 p.m, destroying two maintenance trailers and damaging a government vehicle and the roof and electrical systems at the U.S. Army Corps of Engineers Resident Office. This is the view of the tornado destroying two maintenance trailers next to Chickamauga Lock. (Security System Video)
The new 110′ x 600′ Chickamauga Lock is being designed and constructed by the Nashville District, U.S. Army Corps of Engineers. Chickamauga Lock, which is located 7 miles upstream of Chattanooga, Tennessee, is owned by the Tennessee Valley Authority and operated by the U.S. Army Corps of Engineers.