National Advisory Committee for Aeronautics (NACA)
Record Group 6 National Advisory Committee for Aeronautics holds two series. The NACA Files mix secondary and primary materials that document the work of the NACA and its people. The Research Authorization Files hold more than 500 boxes of authorizations and supporting documentation. This series has met NARA’s retention and disposition requirements and is declassified in full. This record group is only being added to by donation.