Steptoe
Member
I am reluctant to post too much about the MNR's storage site in case the spraycan carrying cherubs pick up on it but this newspaper article carries some nice photos including one of the security presence!
https://www.edp24.co.uk/motoring/24-new-greater-anglia-trains-arrive-1-6147956?action=login
https://www.edp24.co.uk/motoring/24-new-greater-anglia-trains-arrive-1-6147956?action=login