GAO

GAO was a research entity before the Great War, mentioned $$

Background
The group housed their Department of Research Subsidies in an office building in the Falls Church area. An employee, Elise Walton, wrote a terminal entry describing the events of the Great War, including not being allowed to leave the building or being able to tell what was happening outside.

Appearances
GAO is mentioned $$

Behind the scenes
The General Accounting Office was the original name of the Government Accountability Office, a federal agency that audits, investigates, and evaluates matters for Congress.