Association for Renaissance Martial Arts (ARMA) is a US-based non-profit organization dedicated to the study and practice of historical European martial arts of the 15th to 17th centuries. ARMA was formed in 2001 under director John Clements as a continuation of the Historical Armed Combat Association (HACA, since 1992). As of 2006, the ARMA claimed a number of close to 500 paying members. They also list a number of "Academic Consultants".