Rebel Legion

Rebel Legion is an international fan-based volunteer organization dedicated to the construction and wearing of screen-accurate Star Wars Rebel Alliance costumes. Founded in 2000, the Rebel Legion makes appearances at private and public events, including charitable events and official Star Wars promotional events. 

It is divided into "bases" located throughout the world, and as of August 2016, the Rebel Legion membership is over 3000 members and is sanctioned by Lucasfilm.