This notice is for a Commercial Solutions Opening (CSO) in support of the Cold Regions Research and Engineering Laboratory at the Engineer Research and Development Center. The ERDC-CRREL executes projects on behalf of the Assistant Secretary of the Army (Acquisition, Logistics, and Technology) (ASA(ALT)), Army Futures Command, US Army Corps of Engineers, and various other government organizations. These projects are focused in the following five research and development thrust areas: (1) Building Cold Region Domain Awareness (2) Enhancing Mobility and Maneuver in Cold Region Environments (3) Integrated Ice Operations (4) Advanced Materials Development and Applications in Extreme Cold Environments (5) Resilient Cold Region Energy Systems (6) Advancements in Cryospheric Biochemical Applications Go to https://www.erdcwerx.org/about/resources/commercial-solutions­opening/ for all of the CSO details and submission requirements. All solutions shall be submitted via the ERDCWERX platform. Solutions for the general areas of interest will be accepted beginning 12 January 2026 and ending 1700 CST 31 December 2026, or as otherwise specified on an individual program requirement.