Downloaded from https://www.everyspec.com UNCLASSIFIED AD NUMBER AD830267 NEW LIMITATION CHANGE TO Approved for public release, distribution unlimited FROM Distribution authorized to U.S. Gov't. agencies and their contractors; Critical Technology; SEP 1963. Other requests shall be referred to Army Materiel Command, Washington, DC. AUTHORITY USAMC ltr, 14 Jan 1972 THIS PAGE IS UNCLASSIFIED