Maiden Voyage: CORP 2066 is the former Maryland Midland 306. Today it made it's first revenue run in it's new paint scheme. Five of the Midland's GP38-3s are being repainted in the G&W corporate scheme and lettered for CORP. In the next few weeks they will be sent west and four SD40-3s will replace them on the MMID roster. Here a short UBTT (Union Bridge to Tawneytown) is switching in Keymar, MD