The “Rapid Response: Humanitarian Interpreting” project was conceived against the backdrop of the critical interpreting training needs for scores of local nationals recruited by international relief organizations to serve as humanitarian interpreters in the wake of natural disasters. Without any introduction to interpreting and the basic skills sets, as well as the cultural, ethical, and psychosocial aspects it entails, these recruits are expected to interpret competently for relief workers, survivors, and other stakeholders. To provide - as a rapid training response within these still acute emergency contexts - at least a short, basic orientation to interpreting on the massive scale required, such a course would have to be made available in an easily accessible and distributable, user- and learner-friendly, compact, and effective form. This thesis describes how the authors established the precise contours of this need and proceeded to create a one-hour, on-demand, exclusively self-study eLearning module to help meet it.