What happened to the Royal Naval Air Service armoured trains after World War I, and are there books about them?
Short answerMost were probably converted back to ordinary railway use or sold, although this remains tentative because the subject had not been researched closely.
NotesMost Royal Naval Air Service armoured trains were probably converted back to normal railway use or sold after the First World War. That recollection is explicitly tentative because the subject had not been researched closely enough for a firm answer. A viewer later supplies Armoured Trains: An Illustrated Encyclopedia as a concrete lead for further research.