Speaking of sci-fi, project orion/nuclear propulsion is also featured in Marko Kloos' Frontlines series (though not in the first book if I remember correctly)

Speaking of sci-fi, project orion/nuclear propulsion is also featured in Marko Kloos' Frontlines series (though not in the first book if I remember correctly) https://www.markokloos.com/?page_id=1859 https://www.markokloos.com/?page_id=1859