The USS Winston Churchill (NCC-31150) was an Ambassador-class Federation heavy cruiser starship in service to the Federation Starfleet in the 24th century. Eva Caine served as a science officer on the Winston Churchill from 2368 to 2369 after graduating from Starfleet Academy. During Caine's time aboard, the Winston Churchill was assigned to patrol the Federation-Cardassian border in the aftermath of the Federation-Cardassian War. (Star Trek: Remington)