Highlander Partners, a private investment firm, completed the acquisition of Black Sage Technologies, a developer of defense technology systems, from Acorn Growth Companies, a middle-market private equity firm. Financial terms were not disclosed. "The Black Sage executive team is excited to join forces with Highlander and High Point to continue our growth trajectory in the C-UAS, critical infrastructure, and security markets. The need for effective multi-mission C-UAS solutions is increasingly evident and we believe that Highlander will bring the necessary government and military relationships, industry experience, and long-term financial approach to accelerate our objectives in driving the business forward," Al White, Black Sage CEO.