David Feintuch was a science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 and fantasy

Fantasy

Fantasy is a genre of fiction that commonly uses magic and other supernatural phenomena as a primary element of plot, theme, or setting. Many works within the genre take place in imaginary worlds where magic is common...

 author and attorney. He was the 1996 winner of the John W. Campbell Award for Best New Writer in Science Fiction. He wrote one major science fiction series, the Seafort Saga, and a fantasy series, Rodrigo of Caledon.
A military space opera

Space opera

Space opera is a subgenre of science fiction that emphasizes romantic, often melodramatic adventure, set mainly or entirely in outer space, generally involving conflict between opponents possessing advanced technologies and abilities. The term has no relation to music and it is analogous to "soap...

 series revolving around the character Nicholas Seafort

Nicholas Seafort

Nicholas Ewing "Nick" Seafort is a fictional character and the protagonist of David Feintuch's Seafort Saga series of novels. All the books of the series with the exception of Voices of Hope and Children of Hope are written in the first person from Seafort's point of view, and give a detailed...

, an officer in the UNNS

UNNS

The United Nations Naval Service is a futuristic fictional military organisation created by David Feintuch in his Seafort Saga series of novels. The organisation is heavily based on the Napoleonic-era Royal Navy, including the presence of teenage officers serving aboard major ships, largely...

. The books are set in a future human society that is largely dominated by unified Christianity.