Alexandria, VA--Systems Planning & Analysis (SPA), a leading global provider of data- driven analytical insights supporting complex national security programs and defense priorities, has acquired Proximity, a leading Australian provider of consulting, legal, and commercial services to government. Proximity joins SPA Australia, a wholly owned subsidiary of Systems Planning & Analysis.

SPA, a leading provider of strategic advisory, systems engineering, modeling and simulation, advanced analytics, industrial policy, and program management solutions to government and defense customers in the United States and its Allies, has acquired Arena Technologies LLC (Arena).