
TEKNOFEST Mavi Vatan (2025) was held at the Istanbul Tersane Command from 28 to 31 August 2025. Organized by the Türkiye Technology Team Foundation (T3 Foundation) in cooperation with the Ministry of Industry and Technology and the Ministry of National Defense, this edition of TEKNOFEST, the world’s largest aviation, space and technology festival, focused on maritime and underwater technologies under the theme “Mavi Vatan”.A program open exclusively to invited dignitaries was held on 28 August 2
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Edanur Karakoç

The expression “Ti’ye Almak” is commonly used in everyday language to mean belittling, mocking, or not taking someone seriously. While standard linguistic explanations exist for the origin of this phrase, some interpretations in popular culture and military history circles link its origin to a critical naval warfare tactic known as “Crossing the T.” This claim is intriguing because it goes beyond mere phonetic similarity, connecting the phrase’s connotations of absolute dominance and overwhelmin
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Mehmet Salih Çoban

Ertuğrul Frigate is a wooden-hulled, sail-steam hybrid (screw-propelled) warship of the Ottoman Navy. During its voyage from 1889 to 1890, it established direct diplomatic contact between the Ottoman State and Japan, and its sinking after striking rocks during a typhoon off the coast of Wakayama/Kushimoto on 16 September 1890 became a defining moment in Turkish-Japanese relations.Ertuğrul Frigate (Anadolu Agency)" image-alternate="" image-element-format="right">Construction, Armament, and Ser
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Nurten Yalçın

SkeditttZheng He (1371–1433) was a military strategist diplomat and court official who commanded seven major maritime expeditions on behalf of the Ming Dynasty extending from the Far East to the eastern coast of Africa. Born as Ma He and also known by the honorific title Sanbao Zheng He came from a Hui Muslim family in Yunnan province. During the reign of Emperor Yongle Zhu Di he led the fleet established to establish China’s overseas diplomatic influence and expand the tribute trade system. The
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Melda Asya Şereflişan

Dumlupınar Disaster, a maritime accident that occurred on 4 April 1953 in the Dardanelles, resulting in the martyrdom of 81 naval officers. This tragedy arose from a collision between the Swedish-flagged vessel Naboland and the Turkish Navy’s submarine TCG Dumlupınar. It was not merely a technical maritime accident but also a national mourning and collective memory event. Notable among the major maritime disasters of the Republic era following the Refah (1941) and Atılay (1942) incidents, this e
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Onur Çolak

Türk Loydu Compliance Evaluation Services Anonymous Company (Türk Loydu CESS A.Ş.) is an independent classification and conformity assessment organization established by the Türk Loydu Foundation. It has operated as an anonymous company since 2017, with the Türk Loydu Foundation as its sole shareholder.The organization provides technical competence and classification services in the maritime, energy, defense, and industrial sectors. On 1 November 2023, it became a full member of the Internationa
ENElyesa Köseoğlu

A lifeboat is a small rescue vessel found on ships, designed to safely evacuate people into the sea during emergencies. In the event of fire, sinking, or other hazardous situations aboard a ship, lifeboats are used to evacuate passengers and crew. Lifeboats are specifically engineered to ensure human survival.What Is the Purpose of a Lifeboat?Lifeboats are critical for saving lives at sea. When a ship is abandoned, passengers and crew board lifeboats. Thanks to lifeboats, people can remain safe
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İbrahim Filiz

Karamürsel Alp was a naval commander who rose to prominence during the founding era of the Ottoman Empire and gave his name to the district of Karamürsel on the coast of the Gulf of İzmit. He lived in the early 14th century and was among the first naval commanders of the state under Osman Gazi. Some historical accounts describe him as a devşirme of Macedonian origin, reflecting the early Ottoman Empire’s diversity in human resources.Role in the Foundation of Ottoman Naval PowerKaramürsel Bey was
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Sümeyye Akkanat Terzioğlu

The term “shipyard” (tersane) in Turkish, which began to be used from the early 16th century, was borrowed from the Italian word darsena. A shipyard refers to production facilities equipped with the necessary infrastructure and capabilities to carry out operations such as the new construction of a required vessel or any watercraft, the conversion of an existing vessel, or its maintenance and repair. The shipbuilding industry has a composite structure that integrates various industrial products a
ENGökhan Tıraşoğlu

Lind conducted one of the first controlled clinical trials in history, demonstrating that citrus consumption both prevented and cured scurvy. This finding marked a pivotal moment in maritime history and in the broader history of medicine.Life and EducationJames Lind was born on 4 October 1716 in Edinburgh, Scotland. He began his medical training as an apprentice to a surgeon in Edinburgh. In 1739, he joined the Royal Navy as a surgeon’s mate and served in the Mediterranean, West Africa and the W
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Caner Sefa Koçyiğit