NIGHTINGALE

NIGHTINGALE was a code-word classification protocol used by the UNSC to classify the DNA analysis of Inna Volkov.Halo: Evolutions - Essential Tales of the Halo Universe - The Impossible Life and the Possible Death of Preston J. Cole, page 427 
==Appearances==
*Halo: Evolutions - Essential Tales of the Halo Universe
**The Impossible Life and the Possible Death of Preston J. Cole
==Sources==