The President of the United States of America takes pleasure in presenting the Navy and Marine Corps Medal to Motor Machinist’s Mate First Class Robert L. A. Senecal, United States Navy, for heroic conduct while serving aboard a United States Submarine during war patrols in enemy controlled waters during World War II. Aboard a submarine during long and hazardous war patrols in Japanese-controlled waters, his loyal devotion to duty was in keeping with the highest traditions of the United States Naval Service.