Still trying to find out more about the 200 vehicles being delivered earlier than not expected, it was time to give the DafT press office another go.
'Is that the rail desk' we asked?
'No, replied a clipped 'Captain Speaking' voice, 'this is the Aviation desk'
'Have I dialled a wrong number?'
'No, there's no one on the Rail Desk'.
'Copy that, AvDesk. Over and out'.