The investment seeks to provide investment results that track the performance of the Nasdaq Yewno Aerospace & Defense IndexTM before fees and expenses. Under normal circumstances, the fund seeks to achieve its investment objective by investing at least 80% of its assets in securities of companies in the index that are tied to the protection of national security interests of the United States. From the universe of eligible securities, the index identifies the top 50 eligible companies ranked by total outstanding contracts relating to the protection of U.S. national security interests, and projected revenue amounts.