SAN ANTONIO–(BUSINESS WIRE)–USAA today announced Lieutenant General David F. Melcher, U.S. Army (Retired), has been named Chairman of the USAA Board of Directors, succeeding Vice Admiral, U.S. Navy (Retired) James M. Zortman as part of a planned leadership transition. In the military, a change of command marks both an ending and a beginning. It is a moment to recognize the leaders who carried the responsibility of command while entrusting that responsibility to the leader who will carry it fo