Aside from steam excursions, the Norfolk Southern office car special is my favorite train to catch. I was able to catch the NS business train led by old EMD F-units (NS F-9A #4271, F-7B #4276 and F-9A #4270) east by Linden, Virginia this evening. Photos and video are below:
Photos

NS train 956 is led by NS F-9A #4271, F-7B #4276 and F-9A #4270 east by Linden, Virginia on 9/22/2017.

NS train 956 is led by NS F-9A #4271, F-7B #4276 and F-9A #4270 east by Linden, Virginia on 9/22/2017.
Video