Pacer Solactive Whitney Future of Warfare ETF (FOWF) is an exchange-traded fund that seeks to track the total return performance, before fees and expenses, of the Solactive Whitney Future of Warfare Index; the index represents companies supporting critical emerging defense technologies across the United States and its allied nations, including those in aerospace, defense, and related sectors such as industrials (61%), technology (31%), and communication services; top holdings include RTX Corp, Boeing Co, General Dynamics Corp, Lockheed Martin Corp, and Northrop Grumman Corp. Launched on December 17, 2024, and domiciled in the United States, the ETF is issued by Pacer Funds Trust and managed by Pacer Advisors, Inc., headquartered in suburban Philadelphia, Pennsylvania, with an expense ratio of 0.60%; it invests primarily in growth and value stocks across diversified market capitalizations, focusing on firms with geopolitical risk exposure, activity in key defense technologies, and U.S. Department of Defense contracts. In late 2024, Pacer Advisors partnered with Solactive AG to launch FOWF, listing it on Cboe BZX Exchange on December 18 amid expanded offerings in thematic strategies; the firm continues active ETF development, including recent Cash Cows series expansions and other acquisitions, while maintaining operations targeted at U.S. investors through rules-based index tracking.