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FIG. 14B illustrates a stage in the surgical procedure in which the navigation guide has been  placed in a desired position across the TMT. Advantageously, a surgeon may leverage a bone engagement surface and/or bone engagement opening of the navigation guide to position the navigation guide where needed. Once the navigation guide is in place, a surgeon deploys 1304 a set of proximal guide pins 928 into a set of proximal holes 924 and a set of distal guide pins 930 into a set of distal holes 926. In this manner, markers of the navigation guide have been used to position the set of proximal guide pins 928  (a proximal reference feature on a medial cuneiform 202) and the set of distal guide pins 930 (a distal reference feature on a first metatarsal 208). In one embodiment, before deploying the set of proximal guide pins 928 and set of distal guide pins 930, a surgeon may use fluoroscopy to check the position of the navigation guide relative to the parts of the bone. Advantageously, at this stage the set of proximal guide pins 928 and the set of distal guide pins 930 are positioned for use in subsequent stages. Next, a surgeon may operate 1306 a coupler or severe a frangible portion of the navigation guide to separate the set of proximal guide pins 928 from the set of distal guide pins 930 and remove 1308 the navigation guide. In one embodiment, a surgeon may remove the bolt 962 to operate the coupler.

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