This article traces some of the intellectual lines of force concomitant to the constitution of a research field of Digital War.It submits that, while it may serve as a convenient shorthand for information and communication technologies concordantwith common parlance, the concept of the “digital” cannot in itself provide a dependable referent for demarcating such aninvestigative terrain. This consideration raises in turn a series of further conceptual, methodological, and empirical challengesfor scholars working in this emerging field, among which are the deep history of information technologies and their martialentanglements, the requirements of scientific and technical literacy, and engagement with the philosophy of technology