EXCERPT Ever since recording and transmission technologies such as the phonograph and telephone have existed, military organisations have been interested in the ways that sound, infrasound, and ultrasound not only connect but also converge and deterritorialize the realms of the living and the dead. Deceiving an adversary into believing that one has the capacity to orchestrate voices, vibrations, and noise between the constructed realities of the ‘here and now’ and the ‘afterlife’ is best understood as a strategic manoeuvre to wrest psychological control of any given conflict’s soundscape. Since 1944, military organisations have been engaged in the development of frequency- based programmes, weapons, and techniques whose efficacy is directly linked to their capacity to cause fear and anxiety by haunting environments in conflict. Enter (covertly) the Ghost Army…