00164967 UNCLASSIFIED 2422325 01-01-1920

AIR CORPS TACTICAL SCHOOL

248.501-81 0000004671 A2874 1320 1332 12 43 2446668 08-25-1986 CONTAINS INFORMATION ON SILENCER (EXHAUST MUFFLER) MANUFACTURED BY AD ASTRA COMPANY IN ZURICH, SWITZERLAND. NONE REPORT ON VISIT TO SWITZERLAND BY WILLIAM KNIGHT