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The locomotion of snakes is unique as it allows snakes to efficiently navigate complex and uneven terrains without articulated limbs. This movement pattern is attractive in the field of robotics exactly for its hyper redundancy, versatility, and lack of requirement for relatively complex locomotive systems. Snake-like robots that imitate these movement patterns are uniquely suited for use in extreme and hostile environments like deep sea exploration and outer space. Controlling robots in environments like these requires lots of training and intense concentration during operation. Voice User Interfaces (VUIs) can be used to bypass much of the need for this training and attention to operation by abstracting the direct control of a robotic system into the domain of speech. The design and implementation of a VUI demonstrating this idea is discussed here. The basic structure of a VUI is described and the implementation of a VUI in conjunction with a snake robot is shown. In experimentation the performance of the VUIs components were evaluated and the navigation of an obstacle course via the developed VUI and a remote controller were compared. The command recognition capability of the VUI was found to be 96% and the ability of the VUI to enable navigation of the obstacle course was found to be comparable considering the differences of the control formats.