. . . "???A person who has been adjudicated as a mentally defective or committed to a mental institution is not prohibited if: (1) the person was adjudicated by or committed by a department or agency of the Federal Government, such as the United States Department of Veteran???s Affairs (???VA???) (as opposed to a State court, State board, or other lawful State authority); and (2) either: (a) the person??" . .