UNCLASSIFIED 



Security Classification 



KEY WORDS 



Rankine Ovoids 

 Kelvin Wake 

 Surface Waves 

 Wave Transducers 



I. ORIGINATING ACTIVITY: Enter the name and address 

 of the contractor, subcontractor, grantee, Department of De- 

 fense activity or other organization (corporate author) issuing 

 the report. 



2a. REPORT SECURITY CLASSIFICATION: Enter the over- 

 all security classification of the report. Indicate whether 

 "Restricted Data" is included- Marking is to be in accord- 

 ance with appropriate security regulations. 



26. GROUP: Automatic downgrading is specified in DoD Di- 

 rective 5200. 10 and Armed Forces Industrial Manual. Enter 

 the group number. Also, when applicable, show that optional 

 markings have been used for Group 3 and Group A as author- 

 ized, 



3. REPORT TITLE: Enter the complete report title in all 

 capital letters. Titles in all cases should be unclassified. 

 If a meaningful title cannot be selected without classifica- 

 tion, show title classification in all capitals in parenthesis 

 immediately following the title. 



DESCRIPTIVE NOTES: If appropriate, enter the type of 



INSTRUCTIONS 



imposed by 



4. 



report, e.g. 



Give the in. 



, inte 

 zlusi 



progres 



ial, 



al. 



date 



specific reporting period : 



• the name(s) of authors) as shown on 

 last name, first name, middle initial. 

 and branch of service. The name of 

 ;quirement. 



5. AUTHOR(S): Ente 

 or in the report. Ente 

 If military, show rank 

 the principal author is an absolute i 



6. REPORT DATE: Enter the date 

 month, year; or month, year. If mor< 

 on the report, use date of publicatic 

 la. TOTAL NUMBER OF PAGES: 

 should follow normal pagination pro 

 number of pages containing information. 



76. NUMBER OF REFERENCES Enter the total 

 references cited in the report. 



8a. CONTRACT OR GRANT NUMBER: 

 the applicable number of the contract 

 the report was written. 



8b, 8c, & 8d. PROJECT NUMBER: Enter the appropriate 

 military department identification, such as project number, 

 subproject number, system numbers, task number, etc. 

 9a. ORIGINATOR'S REPORT NUMBER(S): Enter the offi- 

 cial report number by which the document will be identified 

 and controlled by the originating activity. This number must 

 be unique to this report. 



96. OTHER REPORT NUMBER(S): If the report has been 

 assigned any other report numbers (either by the originator 

 or by the sponsor), also enter this number(s). 



10. AVAILABILITY/LIMITATION NOTICES: Enter any lim- 

 itations on further dissemination of the report, other than tho: 



port as day, 

 date appears 



If appropriate, ente 

 grant under which 



rity cla 



ificati 



ing standard statements 



3y obta 



copi 



Df thi 



(1) "Qualified reques 

 report from DDC. ' 



(2) "Foreign announcement and dissemination~of this 

 report by DDC is not authorized.** 



(3) "U. S. Government agencies may obtain copies of 

 this report directly from DDC. Other qualified DDC 

 users shall request through 



"U. S. military agencies may obtain copies of thi 

 report directly from DDC Other qualified users 

 shall request through 



"All distribution of this report is controlled. Qual- 

 ified DDC users shall request through 



If the report ha: 

 Services, Department of Co 

 ^ate this fact and enter the 



furnished to th< 



Office ( 

 le to the 



price, if kr 



f Tec 

 publi 



for additic 



xpla 



11. SUPPLEMENTARY NOTES: 

 tory notes. 



12. SPONSORING MILITARY ACTIVITY: Enter the name of 

 the departmental project office or laboratory sponsoring (pay- 

 ing for) the research and development. Include address. 



stract giving a brief and factual 

 :ative of the report, even though 

 in the body of the techn 

 quired, a continuation she 



13- ABSTRACT: Enter a 

 summary of the document i 

 it may also appear elsewh 

 port. If additional space i 



il re- 



be attached. 



of c 



ass 



fied 



strac 



shall en 



ifica 



ion 



of th 



(TS). 



(S) 



(C), 



It is highly desirable that the abst 

 be unclassified. Each paragraph of the 

 an indication of the military security cl 

 formation in the paragraph, represented 



There is no limitation on the length of the abstract. Ho 

 ever, the suggested length is from 150 to 225 words. 



14. KEY WORDS: Key words are technically meaningful ter 

 or short phrases that characterize a report and may be used i. 

 index entries for cataloging the report. Key words must be 

 selected so that no security classification is required. Iden 

 fiers, such as equipment model designation, trade name, mili 

 project code name, geographic location, may be used as key 

 words but will be followed by an indication of technical con- 

 text. The assignment of links, roles, and weights is optiona 



UNCLASSIFIED 



Security Classification 



