UNCLASSIFIED 2a. SECURITY CLASSIFICATION AUTHORITY I3 DISTRIBUTION/ AVAILABILITY OF REPORT Approved for public release; 2b. DECLASSIFICATION I OOWNGRADING SCHEDULE di str i but ion unlimited 4. PERFORMING ORGANIZATION REPORT NUMBER(S) S MONITORING ORGANIZATION REPORT NUMBER(S) EAF-1725 AFGL-TR-87-0019 6A. NAME OF PERFORMING ORGANIZATION 6b OFFICE SYMBOL 7a. NAME OF MONITORING ORGANIZATION 20 D.TRISUTION /AVAILABILITY OF ABSTRACT 21 ABSTRACT SECURITY CLASSIFICATION (UNCLASSIFIECOUNUMTEO C3 SAME AS P? 3 DrOIC USERS iiNrI ASSU TFQI 22. NAME OF RESPONtSIBLE INOIVIDNUA 22b TILEPOM EuwaA yCode 22c. OFFICE SYMBOL