Between 1964 and 1971 China carried out a massive programme of investment in the remote regions of south-western and western China. This development programme – called “the Third Front” – envisaged the creation of a huge self-sufficient industrial base area to serve as a strategic reserve in the event of China being drawn into war. Reflecting its primarily military orientation, the programme was considered top secret for many years; recent Chinese articles have discussed the huge costs and legacy of problems associated with the programme, but these discussions have been oblique and anecdotal, and no systematic appraisal has ever been published.2 Since Chinese analysts have avoided discussion of the Third Front, western accounts of China's development have also given it inadequate emphasis, and it has not been incorporated into our understanding of China during the 1960s and 1970s. It is common to assume that the “Cultural Revolution decade” was dominated by domestic political conflict, and characterized by an economic system made dysfunctional by excessive politicization, fragmented control, and an emphasis on small-scale locally self-sufficient development. The Third Front, however, was a purposive, large-scale, centrally-directed programme of development carried out in response to a perceived external threat with the broad support of China's national leaders. Moreover, this programme was immensely costly, having a negative impact on China's economic development that was certainly more far-reaching than the disruption of the Cultural Revolution.