Turing Evolved — Kitson David

When Ex-DEMON pilot Jon Carlson meets beautiful humanitarian Rachel, it's a match made in HEAVEN. Literally, because Rachel's an ANGEL. She's also an AI controlled android of immense power and capability. As Jon finds himself drawn into the world of these enigmatic creations of mankind, he unknowingly becomes involved in a program to create autonomous superweapons intended to fight the next war.