Ringling Bros Memories Highballing through the north end of Rockwood holdout (MP 275.4) in Rockwood, TN is the 4,959ft long NS 052 (Auburn Hill,MI-Jacksonville,FL/FEC) The Ringling Bros Blue Unit train pull behind a pair of EMD's. The Ringling Bros Blue Unit was taking another piece of its 1,300+ rail-mile journey home after the last performance ended at Auburn Hill, MI the night before. The heavy train loaded with performers, staff, and maintenance crew (not including the animals and equipment) is heading to the Feld Entertainment Headquarters, and storage yard in Ellenton, FL for the holiday season.