When this report is no longer needed 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, orpromotional purposes. 

 Citation of trade names does not constitute an 

 official endorsement or approval of the use of such 

 commercial products. 



