Destroythis report when no longer needed. Do not 

 return it to the originator. 



The findings in this report are not to be construed as an 



official Department of the Army position unless so 



designated by other authorized documents. 



The contents of this report are not to be used for 

 advertising, publication, or promotional purposes. 

 Citation of trade names does not constitute an 

 officialendorsementorapprovalof theuseof such 

 commercial products. 



