Civil Air Patrol (CAP) is a congressionally chartered, federally supported non-profit corporation that serves as the official civilian auxiliary of the United States Air Force (USAF). CAP is a volunteer organization with an aviation-minded membership that includes members from all backgrounds. The program is established as an organization by Title 10 of the United States Code and its purposes defined by Title 36. Membership in the organization consists of cadets ranging from 12 to just under 21 years of age, and senior members 18 years of age and up.
https://en.wikipedia.org/wiki/Civil_Air_Patrol