The plan to modernize McMurdo Station involves constructing large buildings for more efficient facilities and infrastructure. Foundation design for these large buildings will require understanding of the mechanical properties of the native soil. This study is the first that we are aware of to conduct uniaxial compression tests on materials from McMurdo Station in their frozen state. The testing used in this study emulates specific ground conditions measured on-site. Reconstituted specimens of well-graded gravel basalt were compacted at 4% and 20% by weight moisture contents and frozen at temperatures of −7°C and −20°C. Test results determined that higher moisture content combined with lower ambient temperatures resulted in increased strengths compared to optimum moisture and compaction testing results. If new building foundations will be in direct contact with the ground and allow heat transfer to take place, then the base material should be placed and compacted at the optimum moisture content. This will reduce the potential effects of thaw degradation under the foundation, especially on icerich ground. DISCLAIMER: The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products. All product names and trademarks cited are the property of their respective owners. The findings of this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents.