Wait a second, let me get my facepalm gloves....
*puts on gloves*
now there...
*palms his face, removes gloves*
yes, i have facepalm glvoes, and they are white. like cartoon gloves.

anyway, as somebody who never believed that aliens crashed on earth, all ahve to say about this document is:
there a reprobably hundrets of documents like this floating around the FIB databases. why? because the FBI does record word from officials no matter how dumb that be for future investigation. it might be helpful one day.
there is no proof whatsoever that aliens ever visited the earth. its all theory. and all this document proofs is that stuff gets recorded all the time, no matter how dumb...