The President of the United States of America takes pleasure in presenting the Navy Distinguished Service Medal to Rear Admiral Ralph Earle, United States Navy, for exceptionally meritorious service in a duty of great responsibility as Chief of the Bureau of Ordnance. In this capacity Rear Admiral Earle accomplished the origination of the mine barrage across the North Sea known as the Northern Barrage, the making of a type of mine entirely new to mining warfare, the conception and execution of the 14″ naval railway battery operations carried out in France, the supplying a safe and reliable depth charge in sufficient quantities on time, and other naval ordnance projects carried out during World War I.



