3rd November 2020 DRS Class 66/3 locomotives No.66304 & No.66301 top and tail KUA MODA 95770 on route north with 6Z30 07:48 Devonport Royal Dockyard to Crewe Coal Siding, is pictured passing Catshill Farm Crossing approaching Charlton on Tuesday 3rd November 2020. Unusually one nuclear flask has been left at the Plymouth Naval Dockyard; both KUA flasks having been moved there in early September. (Photo: S A Ginn)

3rd November 2020 DRS Class 66/3 locomotives No.66304 and No.66301 pass Cogload Junction on the 3rd November 2020 operating a nuclear flask move as 6Z30 07:48 Devonport - Crewe Coal Sidings. (Photo: Ian Draper)

3rd November 2020 DRS Class 66/3 locomotives No.66304 and No.66301 climb to Whiteball Tunnel on Tuesday 3rd November 2020 sandwiching a flask wagon from Devonport Royal Dockyard. The pair conveyed KUA flask wagons 95770 north as 6Z30 07:48 Devonport - Crewe Coal Sidings. The pair returned the next day with a replacement wagon heading west. (Photo: Russell Ayre)