The Gleim Security-Related Airspace Course (SRAC) is a recurrent ground training course designed to increase pilot's safety, knowledge, and abilities in regard to flying in and around the various security airspaces in the United States. SRAC covers subjects like the Washington, D.C. ADIZ, flying internationally, and procedures for military aircraft interception. This course is a structured, interactive, self-study review and certificate program delivered via the Internet.