66728 Institution of Railway Operators passes Compton Beauchamp on 10 July 2018 with the 6Z83 15:21 Warminster MoD to Pengam, conveying a selection of army vehicles from a recent exercise on Salisbury Plain, The train would work forward the following day as the 6Z84 05:44 Pengam to Donnington, where the vehicles would go back into store.