page_title: Battle ensign
hierarchical_section_title: Battle ensign
caption_attribution_description: English: Battle of Lake Erie, 10 September 1813 Mural begun by Charles Robert Patterson and completed in 1959 by Howard B. French. It depicts the U.S. Brig Niagara, flagship of Master Commandant Oliver Hazard Perry, raking the British warships Queen Charlotte and Detroit, which are afoul of each other after colliding. Niagara is flying Perry's "Don't Give Up the Ship" battle flag at her mainmast peak. This mural, presented to the U.S. Naval Academy by Admiral and Mrs. Thomas C. Hart, is on display in the Academy's Memorial Hall.
context_page_description: A battle ensign is the name given to a large war ensign hoisted on a warship's mast just before going into battle.
  In what could become a very confusing situation with thick clouds of gunsmoke the ensign gave additional identification, hence their large size, which for the Royal Navy in the 17th and 18th centuries was about 20 by 40 ft. It was commonly accepted that so long as a ship flew its ensign it was an active participant in battle; prior to action it was an acceptable ruse to fly a false flag.
  If a ship surrendered then it would take down its ensign. This is also the origin of the phrase "To nail one's colours to the mast", showing a determination to fight on and never surrender. In practice, warships would fly more than one battle ensign, so that if the flag was destroyed or brought down during the fighting there would be no confusion. Conversely, keeping the flag flying even though the ship might appear to be past fighting was a sign of determination rather than foolishness. The German battleship Bismarck continued to fly its battle ensign even after all its gun batteries had been silenced by British shells, and sank with the ensign still flying.
context_section_description: A battle ensign is the name given to a large war ensign (flag) hoisted on a warship's mast just before going into battle.
  In what could become a very confusing situation with thick clouds of gunsmoke the ensign gave additional identification, hence their large size, which for the Royal Navy in the 17th and 18th centuries was about 20 by 40 ft (6.1 by 12.2 m). It was commonly accepted that so long as a ship flew its ensign it was an active participant in battle; prior to action it was an acceptable ruse to fly a false flag.
  If a ship surrendered then it would take down its ensign (which was known as striking the colors). This is also the origin of the phrase "To nail one's colours to the mast", showing a determination to fight on and never surrender. In practice, warships would fly more than one battle ensign, so that if the flag was destroyed or brought down during the fighting there would be no confusion. Conversely, keeping the flag flying even though the ship might appear to be past fighting was a sign of determination rather than foolishness. The German battleship Bismarck continued to fly its battle ensign even after all its gun batteries had been silenced by British shells, and sank with the ensign still flying.
  The battle ensign was seen as an important element for the morale of the crew and was held in high regard. If a warship was sinking and had to be abandoned, flags such as the battle ensigns would be taken off the ship before it sank and were entrusted to the senior (surviving) officer.
  Some countries use their national flag as the battle ensign, while others use their naval ensign. Sometimes unique flags were made and used as battle ensigns, for example the one flown by United States Naval Forces at the Battle of Lake Erie in the War of 1812.
  The battle ensign is sometimes also flown by U.S. Navy warships as a courtesy when entering or leaving foreign ports, or on national holidays when it is referred to as "Holiday Colors."
caption: Niagara flying Perry's Don't Give Up the Ship battle ensign at the Battle of Lake Erie, 10 September 1813.
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