50049 Defiance brings up the rear of the UK Railtours 1Z49 06:13 Princes Risborough to Bromley North 'The Kent Conundrum' railtour at Gavray Junction on 23 August 2025. The train, which is utilising the London Underground red liveried Class 438 4-TC set 428, is being led by 50008 Thunderer. This is on the edge of Bicester, with the parish church just visible in the background.