Early Naval Developments
WWI Naval Actions
Interwar Period
WWII Atlantic Theater
WWII Pacific Theater
100

This revolutionary British battleship, launched in 1906 and equipped with turbine engines and all heavy guns, made previous battleship designs largely obsolete and intensified the naval arms race in Europe

What is HMS Dreadnought

100

Failed amphibious operation to knock Ottoman Empire out of the war and break the stalemate on the western Front

What is Gallipoli Campaign

100

This US President, a disciple of Mahan, backed the continued growth of the US Navy and used Germany as the benchmark for its size during the early 20th century

Who is Theodore Roosevelt

100

Winston Churchill considered this battle the "dominating factor all through the war," without which major Allied operations like Lend-Lease and the invasion of Europe would have been far costlier, if not impossible.

What is the Battle of the Atlantic

100

This admiral commanded the Third Fleet and was known for his aggressive leadership style, playing a key role in the Solomons campaign and later involved in the controversial decisions during the Battle of Leyte Gulf

Who is William "Bull" Halsey

200

The first class of battleships commissioned by the US Navy

What is Indiana class

200

The only major naval battle of WWI

What is the Battle of Jutland

200

US Navy plan for conflict with Japan in the Pacific 

What is War Plan Orange

200

The defeat of this adversary platform in the Atlantic, as declared by Roosevelt and Churchill in 1943, was crucial for maintaining supply lines to Britain and enabling the invasion of Europe.

What are u-boats

200

This largest battleship ever built, armed with nine 18.1-inch guns and considered the pride of the Imperial Japanese Navy, was sunk by US carrier aircraft near Okinawa in April 1945 during a desperate one-way mission

What is the Yamato

300

Britain's commitment to maintaining a navy larger than the next two combined was known as this policy.

What is Two Power Standard

300

Final catalyst for US involvement in WWI

What is the Zimmermann Telegram

300

Treaty created to limit naval armaments of the major world powers following WWI

What is Washington Naval Treaty

300

This North African city was the target of a major amphibious landing by the Western Naval Task Force under Rear Admiral H. Kent Hewitt in November 1942. Would later be the site for a planning conference to determine the course for the second phase of the war effort

What is Casablanca

300

Fought in June 1944 during the Mariana Islands Campaign, this battle is sometimes referred to as the "Great Marianas Turkey Shoot" due to the overwhelming losses of Japanese aircraft and is considered by some to be the pivotal battle of the Pacific War, effectively ending Japan's carrier-based air power.

What was the Battle of the Philippine Sea

400

Theodore Roosevelt's naval plans culminated with the circumnavigation of the world by this group. Launched in 1907

What is the Great White Fleet

400

Naval project undertaken by the US during WWI to limit German u-boat activity

What is North Sea Mine Barrage

400

Early supporter of naval aviation. Coordinated the demonstrations in Virginia Cape showcasing air power when used against surface targets

Who is GEN Billy Mitchell

400

This British intelligence breakthrough allowed the Allies to read German naval transmissions, providing crucial information on U-boat deployments and intentions

What is Project Ultra

400

This naval battle in June 1942, considered a decisive victory for the United States, involved Admiral Nimitz strategically positioning his carriers based on broken Japanese naval code, leading to the destruction of four Japanese carriers.

What was the Battle of Midway

500

This battle resulted in the destruction of the Spanish Armada and signaled the rise of the United States as a growing world power

What is the Battle of Manila Bay

500

This system, proposed by the British Admiralty, was implemented to protect merchant ships from U-boat attacks, moving away from independent sailings and patrols

What is the convoy system

500

Navy's first purpose-built aircraft carrier

What is the Ranger

500

The transport and landing phase of Operation Overlord, this operation commenced with the landing of US, British, and Canadian forces on the beaches of Normandy, involving a massive armada of 6939 vessels

What is Operation Neptune

500

This 546-foot high extinct volcano, located at the southern end of Iwo Jima, was a key objective for the 28th Marines to secure and became the site of an iconic flag raising captured in a famous photograph.

What is Mount Suribachi?