NEW YORK--(BUSINESS WIRE)--Fitch Ratings believes the ratings for Computer Sciences Corp. (CSC or Commercial Business) are unaffected by the proposed combination of the Computer Sciences Government Services (CSGov) and SRA International (SRA). A full list of the current ratings follows at the end of this release. CSC announced that it has entered into a definitive agreement to combine CSGov with SRA once the CSGov spin-off is complete. Fitch does not believe the combination, which is expected t