NEW YORK--(BUSINESS WIRE)--Fitch Ratings has assigned the following ratings to the Loudoun County, Virginia's (the county) general obligation (GO) bonds: --$69.9 million GO public improvement bonds series 2015A rated 'AAA'. GO bond proceeds will be used to finance various school and general government projects. The bonds will be sold via competitive sale on June 9. In addition, Fitch affirms the following ratings: --$948 million of outstanding GO bonds at 'AAA'; --$44.2 million of outstanding l