There's a battle sequence in Frank Herbert's Dune (probably Chapterhouse, maybe Heretics) where a commander (Miles Teg) directs the battle by giving real time c

There's a battle sequence in Frank Herbert's Dune (probably Chapterhouse, maybe Heretics) where a commander (Miles Teg) directs the battle by giving real time commands to individual soldiers, where the deepmind you mentioned resides in his head. It's a great little sequence, worth a read if you're into that sort of thing.