Topic: Military history (Page 9)

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๐Ÿ”— Norden bombsight

๐Ÿ”— Technology ๐Ÿ”— Aviation ๐Ÿ”— Computing ๐Ÿ”— Military history ๐Ÿ”— Military history/Military aviation ๐Ÿ”— Military history/North American military history ๐Ÿ”— Military history/United States military history ๐Ÿ”— Military history/Military science, technology, and theory ๐Ÿ”— Aviation/aircraft ๐Ÿ”— Military history/World War II

The Norden Mk. XV, known as the Norden M series in U.S. Army service, is a bombsight that was used by the United States Army Air Forces (USAAF) and the United States Navy during World War II, and the United States Air Force in the Korean and the Vietnam Wars. It was an early tachometric design that directly measured the aircraft's ground speed and direction, which older bombsights could only estimate with lengthy manual procedures. The Norden improved on older designs by using an analog computer that continuously recalculated the bomb's impact point based on changing flight conditions, and an autopilot that reacted quickly and accurately to changes in the wind or other effects.

Together, these features promised unprecedented accuracy for daytime bombing from high altitudes. During prewar testing the Norden demonstrated a circular error probable (CEP) of 75 feet (23ย m), an astonishing performance for that period. This accuracy would enable direct attacks on ships, factories, and other point targets. Both the Navy and the USAAF saw it as a means to conduct successful high-altitude bombing. For example, an invasion fleet could be destroyed long before it could reach U.S. shores. To protect these advantages, the Norden was granted the utmost secrecy well into the war, and was part of a production effort on a similar scale as the Manhattan Project. Carl L. Norden, Inc. ranked 46th among United States corporations in the value of World War II military production contracts.

Under combat conditions the Norden did not achieve its expected accuracy, yielding an average CEP in 1943 of 1,200 feet (370ย m), similar to other Allied and German results. Both the Navy and Air Forces had to give up using pinpoint attacks. The Navy turned to dive bombing and skip bombing to attack ships, while the Air Forces developed the lead bomber procedure to improve accuracy, and adopted area bombing techniques for ever larger groups of aircraft. Nevertheless, the Norden's reputation as a pin-point device endured, due in no small part to Norden's own advertising of the device after secrecy was reduced late in the war.

The Norden's secrecy had already been compromised by espionage before the United States entered the war. As early as January 1941, the Germans introduced a lightened derivative of the Norden called the Carl Zeiss Lotfernrohr 7 as the primary bombsight for most Luftwaffe level bombers and the first of its bombsights to have gyroscopic stabilization.

The Norden saw reduced use in the post-World War II period after radar-based targeting was introduced, but the need for accurate daytime attacks kept it in service, especially during the Korean War. The last combat use of the Norden was in the U.S. Navy's VO-67 squadron, which used them to drop sensors onto the Ho Chi Minh Trail as late as 1967. The Norden remains one of the best-known bombsights ever invented.

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๐Ÿ”— USA built 151 Aircraft carriers in WWII

๐Ÿ”— Military history ๐Ÿ”— Military history/Military aviation ๐Ÿ”— Military history/North American military history ๐Ÿ”— Military history/United States military history ๐Ÿ”— Military history/Maritime warfare ๐Ÿ”— Military history/World War II ๐Ÿ”— Ships ๐Ÿ”— Military history/Asian military history ๐Ÿ”— Military history/Japanese military history ๐Ÿ”— Military history/European military history ๐Ÿ”— Military history/British military history

The escort carrier or escort aircraft carrier (U.S. hull classification symbol CVE), also called a "jeep carrier" or "baby flattop" in the United States Navy (USN) or "Woolworth Carrier" by the Royal Navy, was a small and slow type of aircraft carrier used by the Royal Navy, the Royal Canadian Navy, the United States Navy, the Imperial Japanese Navy and Imperial Japanese Army Air Force in World War II. They were typically half the length and a third the displacement of larger fleet carriers, slower, more-lightly armed and armored, and carried fewer planes. Escort carriers were most often built upon a commercial ship hull, so they were cheaper and could be built quickly. This was their principal advantage as they could be completed in greater numbers as a stop-gap when fleet carriers were scarce. However, the lack of protection made escort carriers particularly vulnerable, and several were sunk with great loss of life. The light carrier (U.S. hull classification symbol CVL) was a similar concept to the escort carrier in most respects, but was fast enough to operate alongside fleet carriers.

Escort carriers were too slow to keep up with the main forces consisting of fleet carriers, battleships, and cruisers. Instead, they were used to escort merchant ship convoys, defending them from enemy threats such as submarines and planes. In the invasions of mainland Europe and Pacific islands, escort carriers provided air support to ground forces during amphibious operations. Escort carriers also served as backup aircraft transports for fleet carriers, and ferried aircraft of all military services to points of delivery.

In the Battle of the Atlantic, escort carriers were used to protect convoys against U-boats. Initially escort carriers accompanied the merchant ships and helped to fend off attacks from aircraft and submarines. As numbers increased later in the war, escort carriers also formed part of hunter-killer groups that sought out submarines instead of being attached to a particular convoy.

In the Pacific theater, CVEs provided air support of ground troops in the Battle of Leyte Gulf. They lacked the speed and weapons to counter enemy fleets, relying on the protection of a Fast Carrier Task Force. However, at the Battle off Samar, one U.S. task force of escort carriers and destroyers managed to successfully defend itself against a much larger Japanese force of battleships and cruisers. The Japanese met a furious defense of carrier aircraft, screening destroyers, and destroyer escorts.

Of the 151 aircraft carriers built in the U.S. during World War II, 122 were escort carriers, though no examples survive. The Casablanca class was the most numerous class of aircraft carrier, with 50 launched. Second was the Bogue class, with 45 launched.

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๐Ÿ”— Z (Military Symbol)

๐Ÿ”— Russia ๐Ÿ”— Internet culture ๐Ÿ”— Military history ๐Ÿ”— Europe ๐Ÿ”— Politics ๐Ÿ”— Sociology ๐Ÿ”— Ukraine ๐Ÿ”— Military history/Russian, Soviet and CIS military history ๐Ÿ”— European history ๐Ÿ”— Military history/Military culture, traditions, and heraldry

"Z" is one of several symbols painted on military vehicles of the Russian Armed Forces involved in the 2022 Russian invasion of Ukraine.

The symbol has been used in Russian popular culture as a sign of support for the invasion. Displaying any of the symbols on vehicles in public is illegal in Kazakhstan.

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๐Ÿ”— 5BX

๐Ÿ”— Military history ๐Ÿ”— Military history/North American military history ๐Ÿ”— Military history/Canadian military history

The Royal Canadian Air Force Exercise Plans are two exercise plans developed for the Royal Canadian Air Force (RCAF) by Dr. Bill Orban in the late 1950s, first published in 1961. The 5BX plan (Five Basic Exercises) was developed for men; a corresponding program was developed for women under the name XBX (Ten Basic Exercises) and the two plans were subsequently published together as one book. The popularity of the programs in many countries around the world helped to launch modern fitness culture.

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  • "5BX" | 2010-06-20 | 77 Upvotes 32 Comments

๐Ÿ”— Black Tom Explosion

๐Ÿ”— United States ๐Ÿ”— Military history ๐Ÿ”— Disaster management ๐Ÿ”— Military history/North American military history ๐Ÿ”— Military history/United States military history ๐Ÿ”— Terrorism ๐Ÿ”— New York City ๐Ÿ”— Military history/World War I ๐Ÿ”— New Jersey ๐Ÿ”— Public Art ๐Ÿ”— New Jersey/Hudson County

The Black Tom explosion was an act of sabotage by German agents to destroy U.S.-made munitions that were to be supplied to the Allies in World War I. The explosions, which occurred on July 30, 1916, in the New York Harbor, killed four people and destroyed some $20,000,000 worth of military goods. This incident, which happened prior to U.S. entry into World War I, also damaged the Statue of Liberty. It was one of the largest artificial non-nuclear explosions to have ever occurred.

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๐Ÿ”— Soviet Pilot Escapes from POW Camp by Stealing a German Bomber and Flying Home

๐Ÿ”— Biography ๐Ÿ”— Aviation ๐Ÿ”— Russia ๐Ÿ”— Military history ๐Ÿ”— Military history/Military aviation ๐Ÿ”— Military history/Military biography ๐Ÿ”— Aviation/aerospace biography ๐Ÿ”— Military history/World War II ๐Ÿ”— Russia/Russian, Soviet, and CIS military history ๐Ÿ”— Military history/Russian, Soviet and CIS military history ๐Ÿ”— Russia/history of Russia ๐Ÿ”— Aviation/Soviet aviation

Mikhail Petrovich Devyatayev (Russian: ะœะธั…ะฐะธะป ะŸะตั‚ั€ะพะฒะธั‡ ะ”ะตะฒัั‚ะฐะตะฒ; Moksha/Erzya: ะœะธั…ะฐะธะป ะŸะตั‚ั€ะพะฒะธั‡ ะ”ะตะฒัั‚ะฐะตะฒ; 8 July 1917 โ€“ 24 November 2002) was a Soviet fighter pilot known for his incredible escape from a Nazi concentration camp on the island of Usedom, in the Baltic Sea.

๐Ÿ”— Boeing MQ-25 Stingray

๐Ÿ”— Aviation ๐Ÿ”— Military history ๐Ÿ”— Military history/Military aviation ๐Ÿ”— Military history/North American military history ๐Ÿ”— Military history/United States military history ๐Ÿ”— Military history/Military science, technology, and theory ๐Ÿ”— Aviation/aircraft ๐Ÿ”— Military history/Maritime warfare

The Boeing MQ-25 Stingray is an aerial refueling drone that resulted from the Carrier-Based Aerial-Refueling System (CBARS) program, which grew out of the earlier Unmanned Carrier-Launched Airborne Surveillance and Strike (UCLASS) program. The MQ-25 first flew on 19 September 2019.

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๐Ÿ”— Subutai โ€“ Primary military strategist of Genghis Khan

๐Ÿ”— Biography ๐Ÿ”— Russia ๐Ÿ”— Military history ๐Ÿ”— China ๐Ÿ”— Military history/Military biography ๐Ÿ”— Central Asia ๐Ÿ”— Russia/Russian, Soviet, and CIS military history ๐Ÿ”— Russia/history of Russia ๐Ÿ”— Mongols ๐Ÿ”— Military history/Medieval warfare

Subutai (Classical Mongolian: Sรผbรผgรคtรคi or Sรผbรผ'รคtรคi; Tuvan: ะกาฏะฑัะดัะน, [sybษ›หˆdษ›j]; Modern Mongolian: ะกาฏะฑััะดัะน, Sรผbeedei. [sสŠbeหหˆdษ›]; Chinese: ้€Ÿไธๅฐ 1175โ€“1248) was an Uriankhai general, and the primary military strategist of Genghis Khan and ร–gedei Khan. He directed more than 20 campaigns in which he conquered 32 nations and won 65 pitched battles, during which he conquered or overran more territory than any other commander in history. He gained victory by means of imaginative and sophisticated strategies and routinely coordinated movements of armies that were hundreds of kilometers away from each other. He is also remembered for devising the campaign that destroyed the armies of Hungary and Poland within two days of each other, by forces over 500 kilometers apart.

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๐Ÿ”— United States military and prostitution in South Korea

๐Ÿ”— United States ๐Ÿ”— International relations ๐Ÿ”— Russia ๐Ÿ”— Military history ๐Ÿ”— Military history/North American military history ๐Ÿ”— Military history/United States military history ๐Ÿ”— United States/Military history - U.S. military history ๐Ÿ”— Korea ๐Ÿ”— Women's History ๐Ÿ”— Sexology and sexuality ๐Ÿ”— Military history/Asian military history ๐Ÿ”— Organized crime ๐Ÿ”— Gender Studies ๐Ÿ”— Feminism ๐Ÿ”— Sexology and sexuality/Sex work ๐Ÿ”— Tambayan Philippines ๐Ÿ”— Military history/Korean military history

During and following the Korean War, the United States military used regulated prostitution services in South Korean military camptowns. Despite prostitution being illegal since 1948, women in South Korea were the fundamental source of sex services for the U.S. military as well as a component of American and Korean relations. The women in South Korea who served as prostitutes are known as kijichon (๊ธฐ์ง€์ดŒ) women, also called as "Korean Military Comfort Women", and were visited by the U.S. military, Korean soldiers and Korean civilians. Kijich'on women were from Korea, Philippines, China, Vietnam, Thailand, Sri Lanka, Nepal, Indonesia and the Commonwealth of Independent States, specifically Russia and Kazakhstan.

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๐Ÿ”— Soviet Lun-Class Ekranoplan Ground Effect Vehicle

๐Ÿ”— Aviation ๐Ÿ”— Military history ๐Ÿ”— Military history/Military aviation ๐Ÿ”— Aviation/aircraft ๐Ÿ”— Military history/Maritime warfare ๐Ÿ”— Military history/Russian, Soviet and CIS military history ๐Ÿ”— Aviation/Soviet aviation

The Lun-class ekranoplan is a ground effect vehicle (GEV) designed by Rostislav Evgenievich Alexeyev in 1975 and used by the Soviet and Russian navies from 1987 until sometime in the late 1990s.

It flew using the lift generated by the ground effect of its large wings when within about four metres (13ย ft) above the surface of the water. Although they might look similar to regular aircraft, and have related technical characteristics, ekranoplans like the Lun are not aircraft, seaplanes, hovercraft, nor hydrofoils. Rather, "ground effect" is a distinct technology. The International Maritime Organization classifies these vehicles as maritime ships.

The name Lun comes from the Russian word for harrier.

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