DTNSRDC ISSUES THREE TYPES OF REPORTS 



(1) DTNSRDC REPORTS. A FORMAL SERIES PUBLISHING INFORMATION OF 

 PERMANENT TECHNICAL VALUE. DESIGNATED BY A SERIAL REPORT NUMBER. 



(2) DEPARTMENTAL REPORTS. A SEMIFQKMAL SERIES. RECORDING INFORMA- 

 TION OF A PRELIMINARY OR TEMPORARY NATURE. OR OF LIMITED INTEREST OR 

 SIGNIFICANCE. CARRYING A DEPARTMENTAL ALPHANUMERIC IDENTIFICATION. 



(3) TECHNICAL MEMORANDA, AN INFORMAL SERIES. USUALLY INTERNAL 

 WORKING PAPERS OR DIRECT REPORTS TO SPONSORS. NUMBERED AS TM SERIES 

 REPORTS. NOT FOR GENERAL DISTRIBUTION. 





