While the mode is based on science-fiction and is a fictional take on the war, Sledgehammer Games co-founder Michael Condrey said that the story of the mode is based on some "real events".
Sementara mode ini didasarkan pada fiksi ilmiah dan merupakan pengambilan fiktif atas perang, co-founder Sledgehammer Games, Michael Condrey mengatakan bahwa kisah mode ini didasarkan pada beberapa "peristiwa nyata".