The President of the United States of America takes pleasure in presenting a Gold Star in lieu of a Second Award of the Legion of Merit to Lieutenant Don Walsh, United States Navy, for exceptionally meritorious conduct in the performance of outstanding services from January 1959 to January 1960 as Officer-in-Charge of the Bathyscaph Trieste. Throughout this period, Lieutenant Walsh exercised marked professional skill and resourcefulness in carrying out an important assignment. During deep-diving operations in the Marianas Trench, he successfully completed a series of record-breaking dives, culminated by a dive to the unprecedented depth of 37, 800 feet on 23 January 1960.