Arlington Capital, a private equity firm, agreed to acquire Systems Planning & Analysis, a provider of professional services intended to address the nation's critical security concerns, from CM Equity Partners, a private equity firm. Financial terms were not disclosed. “We are thrilled to be partnering with Arlington and MCR to fill an important void in the market and create an unmatched leader within the technical government advisory ecosystem. By leveraging the historical individual successes across each of our companies and pooling our organic investments in facilities, R&D and our employees, we are excited to move out to achieve our strategic vision after closing," William Vantine, SPA CEO.