After completing the 10-month course, he was commissioned as an ensign in the U. S. Naval Reserve at Corpus Christi, Texas on June 9, 1943, just three days before his 19th birthday, which made him the youngest naval aviator to that date.

It was only with the emergence of nationalist sentiment from the late 18th century that the desire was felt to display national flags also in civilian contexts, notably the US flag, in origin adopted as a naval ensign in 1777, which after the American Revolution began to be displayed as a generic symbol of the United States, and the French Tricolore which became a symbol of the Republic in the 1790s.

The British Union Flag was designed as a naval ensign in the 17th century, but it was not identified as " national flag " of the United Kingdom prior to 1908.

As with the national flags, there are three varieties: the civil ensign ( 23px ), flown by private vessels ; state ensigns ( also called government ensigns ; 23px ), flown by government ships ; and war ensigns ( also called naval ensigns ; 23px ), flown by naval vessels.

Most countries do not have a separate state ensign, although the United Kingdom is a rare exception, in having a red ensign for civil use, a white ensign as its naval ensign, and a blue ensign for government non-military vessels.

Swedish and Norwegian naval ensign 1815 – 1844, with the saltire on red in the canton symbolizing Norway.

A common civil ensign for both countries was introduced in 1818, on the pattern of the naval ensign, but square-cut.

The naval ensign was based on the traditional triple-tailed Swedish model.

The swallow-tailed national flag, which is also the naval ensign, is flown by the Finnish Defence Forces.

File: Swedish and Norwegian naval ensign 1815 – 1844. svg | Naval Ensign 1815 – 1844 ( during Union with Sweden, also used by the Swedish Navy )

Albania's maritime flags — the civil ensign and the naval ensign — are both different from the national flag.

The naval ensign is similar to the national flag, except that the eagle is on a white field, and the lower portion of the flag has a red stripe.

* A naval ensign ( usage symbol 23px ) is used by a country's navy.

A similar flag with the addition of a swallow-tail is used as the naval ensign of Poland.

In Russia, during the period before and after the Soviet Union, the naval ensign of the Russian Navy has been an inverse representation of the Cross of Saint Andrew.

Commissioned an ensign, he spent the next one and a half years in Guam as a cryptologic officer for naval intelligence, where he served at sea and ashore.

He subsequently underwent further training at Miami, Florida ; was designated a naval aviator on 15 July ; and was commissioned an ensign in the Naval Reserve on 6 August.

File: Flag of New Spain. svg | Cross of Burgundy Flag ( used by the Spanish Empire 1506 – 1701 as a naval ensign, and up to 1843 as the land battle flag )

Lincoln closely reviewed the dispatches and interrogated naval officers during their clash in the Battle of Hampton Roads.

* 1942 – World War II: Battle of Savo Island – Allied naval forces protecting their amphibious forces during the initial stages of the Battle of Guadalcanal are surprised and defeated by an Imperial Japanese Navy cruiser force.

* 1363 – Beginning date of the Battle of Lake Poyang ; the forces of two Chinese rebel leaders — Chen Youliang and Zhu Yuanzhang — are pitted against each other in what is one of the largest naval battles in history, during the last decade of the ailing, Mongol-led Yuan Dynasty.

It was also naval engineers that constructed the first tanks during World War I, giving rise to armoured fighting vehicles.

* 1512 – The naval Battle of Saint-Mathieu, during the War of the League of Cambrai, sees the simultaneous destruction of the Breton ship La Cordelière and the English ship The Regent.

During the naval expansion of Aegina during the Archaic Period, Kydonia was an ideal maritime stop for Aegina's fleet on its way to other Mediterranean ports controlled by the emerging sea-power Aegina.

The Alien and Sedition Acts were four bills passed in 1798 by the Federalists in the 5th United States Congress in the aftermath of the French Revolution and during an undeclared naval war with Britain and France, later known as the Quasi-War.

In 1943, during World War II, the Portuguese rules António de Oliveira Salazar leased air and naval bases in the Azores to the British Empire.

The invention of military submarines, during World War I, brought naval warfare to both above and below the surface.

The battle was the climax of a naval campaign that had ranged across the Mediterranean during the previous three months, as a large French convoy sailed from Toulon to Alexandria, carrying an expeditionary force under General Napoleon Bonaparte.

His writings from this period included a series of historical novels, featuring a fictional naval officer from Guernsey, Richard Delancey, during the Napoleonic era.

The first naval task forces built around carriers appeared just prior to and during World War II.

* 1943 – Imperial Japanese naval forces complete the evacuation of Imperial Japanese Army troops from Guadalcanal during Operation Ke, ending Japanese attempts to retake the island from Allied forces in the Guadalcanal Campaign.

Use of flags outside of military or naval context begins only with the rise of nationalist sentiment by the end of the 18th century ; the earliest national flags date to that period, and during the 19th century it became common for every sovereign state to introduce a national flag.

Greek fire continued to be mentioned during the 12th century, and Anna Komnene gives a vivid description of its use in a naval battle against the Pisans in 1099.

It has become a tradition as the biscuits were often sent to loved ones based in Gallipoli because the ingredients did not spoil easily and kept well during naval transportation.

It was during his naval stint that Bogart may have gotten his trademark scar and developed his characteristic lisp, though the actual circumstances are unclear.

No. " or " ID ;" some ships and craft changed from an SP to an ID number or vice-versa during their careers, without their unique numbers themselves changing, and some ships and craft assigned numbers in anticipation of naval service never were acquired by the Navy.

* John D. Ford ( 1840 – 1918 ), American naval officer who served as ship engineer during Civil War and as commander in Spanish-American War

* 1794 – The battle of the Glorious First of June is fought, the first naval engagement between Britain and France during the French Revolutionary Wars.

* 1779 – Battle of Grenada: French victory over British naval forces during the American Revolutionary War.

* 1797 – Battle of Santa Cruz de Tenerife: Battle between Spanish and British naval forces during the French Revolutionary Wars.

Karl Dönitz (; 16 September 1891 – 24 December 1980 ) was a German naval commander during World War II.

Katyusha rocket launchers were mounted on many platforms during World War II, including on trucks, artillery tractors, tanks, and armoured trains, as well as on naval and riverine vessels as assault support weapons, Soviet engineers also mounted single Katyusha rockets on lengths of railway track to serve in urban combat.

Krupp received its first order for 135 Panzer I tanks in 1933, and during WWII made tanks, artillery, naval guns, armor plate, munitions and other armaments for the German military.