(a) IN GENERAL.-Copyright protection under this title is not available for any work of the United States Government, but the United States Government is not precluded from receiving and holding copyrights transferred to it by assignment, bequest, or otherwise. (b) COPYRIGHT PROTECTION OF CERTAIN WORKS.-Subject to subsection (c), the covered author of a covered work owns the copyright to that covered work. (c) USE BY FEDERAL GOVERNMENT.- (1) SECRETARY OF DEFENSE AUTHORITY.-With respect to a covered