To amend title 38, United States Code, to allow the sworn affidavit of a veteran who served in combat during the Korean War or an earlier conflict to be accepted as proof of service-connection of a disease or injury alleged to have been incurred or aggravated by such service.

Directs the Secretary of Veterans Affairs, for purposes of eligibility for veterans' disability compensation and benefits, to accept the sworn affidavit of a veteran who served on or before July 27, 1953, as proof of a service connection of a disease or injury alleged to have been incurred in or aggravated by such service, if there is no clear and convincing evidence to the contrary.