Expressing the sense of Congress that an appropriate site in the Memorial Amphitheater in Arlington National Cemetery should be provided for a memorial marker to honor the memory of those who have been awarded or are eligible for the Korean Defense Service Medal who are missing in action, are unaccounted for, or died in-theater. Expresses the sense of Congress that an appropriate site in the Memorial Amphitheater in Arlington National Cemetery should be provided for a memorial marker (to be paid for with private funds) to honor the memory of those who have been awarded or are eligible for the Korean Defense Service Medal who are missing in action or unaccounted for, or who died in-theater, if the Secretary of the Army has exclusive authority to approve the site and design of the marker.