At the beginning of World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, when Nazi Germany

Nazi Germany

Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...

's invasion of Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 on 1 September 1939 started the hostilities in Europe, President Franklin D. Roosevelt immediately declared the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

’ neutrality.

The Neutrality Patrol, organized on September 4, 1939 as a response to the war in Europe, was ordered to track and report the movements of any warlike operations of belligerents in the waters of the western hemisphere. To augment the fleet units already engaged in the Neutrality Patrol which President Roosevelt had placed around the eastern seaboard and Gulf ports, the United States Navy

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 recommissioned 77 destroyer

Destroyer

In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

s and light minelayer

Minelayer

Minelaying is the act of deploying explosive mines. Historically this has been carried out by ships, submarines and aircraft. Additionally, since World War I the term minelayer refers specifically to a naval ship used for deploying naval mines...

s which had lain in reserve at either Philadelphia or San Diego.

The Neutrality Patrol led to U.S. warships assisting British Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 vessels in convoy

Convoy

A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support, though it may also be used in a non-military sense, for example when driving through remote areas.-Age of Sail:Naval...

ing merchant shipping across the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

. This placed U.S. naval personnel at considerable risk, as shown by the sinking of the destroyer from Convoy HX-156

Convoy HX-156

Convoy HX-156 was the 156th of the numbered series of World War II HX convoys of merchant ships from HalifaX to Liverpool. Forty-three ships departed Halifax on 22 October 1941; and were met two days later by United States Navy Task Unit 4.1.3 consisting of Gleaves class destroyer Niblack, Clemson...

by on 31 October 1941.