Interesting resource here for anyone interested in writing about the Royal Navy. The National Archive has scanned the service records of 5000 naval officers and made them available to search and download. This is primarily for the interest of genealogists, but the kinds of details are treasure for authors.
This page offers options for searching
This one is a browseable list
I'm having a good look through. Sadly I don't think my father will be on there. He only made it to a rank of Leading Wireman.