“…This analogy extended to the relationship between the geophysical environment and technological capabilities; nuclear propulsion was understood to be equally revolutionary for icebreaker ships and rockets to space, such that access to either would be cheap and easy. 28 It was not the discovery of material differences that caused that comparison between outer space and Antarctica to fade. Spiller argues that the analogy broke down during the 1970s because the government relied on two different explanations for why lofty expectations for exploitation of each remained unfulfilled.…”