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Trade route
A trade route, also called a trading route or caravan route, is a path, by sea or land, along which goods move between distant markets.
Traffic separation scheme
A traffic separation scheme is a ship routeing measure that uses one-way traffic lanes to separate opposing streams of marine traffic and reduce collisions in congested waters.
Trailing suction hopper dredger
A trailing suction hopper dredger (TSHD) is a self-propelled ship that trails suction arms along the seabed and pumps sediment into an onboard hopper for transport.
Training ship
A training ship is a vessel used to give cadets and prospective seafarers structured practical instruction at sea, a mandatory step toward certification as merchant marine or naval officers.
Trajinera
A trajinera is a traditional flat-bottomed boat propelled by a pole, originally used to carry goods and now best known for carrying tourists on the canals of Xochimilco.
Transport and General Workers' Union
The Transport and General Workers' Union (TGWU) was a British trade union created in 1922 from fourteen unions and, at about 320,000 members, then Britain's largest.
Trento-class cruiser
The Trento class was a pair of fast, lightly armored heavy cruisers, Trento and Trieste, built for the Italian Regia Marina in the late 1920s to Washington Naval Treaty limits.
Trimaran
A trimaran, or double-outrigger, is a multihull boat with a central main hull and two outrigger hulls, ranging from small daysailers to ocean racers exceeding 30 knots.
Triomphant-class submarine
The Triomphant class, sometimes SNLE-NG, is a class of four French nuclear-powered ballistic missile submarines in service since 1997, each carrying 16 M51 nuclear missiles from Île Longue near Brest.
Triple E-class container ship
The Triple E class is a Maersk Line class of container ships that were the largest ever built when they entered service in 2013, carrying 18,000 TEU.
Trireme (τριήρης)
The trireme (Greek: triērēs) was the standard warship of the classical Mediterranean, a fast galley with 170 oarsmen on three levels and a bronze ram.
Triton Container International Limited
Triton Container International Limited, also known as Triton International Limited, was a Bermuda-domiciled freight container leasing company founded in 1980 that became the world's largest container lessor before its 2023 acquisition by Brookfield Infrastructure.
Troopship
A troopship, also called a troop transport or trooper, is a ship used to carry soldiers, usually a converted merchant ship; it peaked in the two world wars.
TS Queen Mary
TS Queen Mary is a Clyde turbine excursion steamer launched in 1933, the last survivor of her class, which carried daytrippers until 1977 and is being restored to sail again.
Tugboat
A tugboat, also called a fleet tug, is a powerful small boat that pulls or pushes larger ships and barges in harbors, restricted waters, and at sea.
TUI Cruises
TUI Cruises is a Hamburg-based cruise company founded in 2008 as a 50:50 joint venture of TUI AG and Royal Caribbean Group, operating the Mein Schiff and Hapag-Lloyd Cruises brands.
Turbinia
Turbinia was an experimental steam launch launched on the River Tyne in 1894, the world's first turbine-powered ship, designed by Charles Parsons and displayed in Newcastle.
Turtle (submersible)
The Turtle, also known as Bushnell's Turtle, was a one-man military submersible built by David Bushnell in 1775, the first to attack an enemy warship.
Turtle ship (거북선)
The turtle ship (geobukseon) was a spiked-roof Korean warship of the Joseon dynasty, famous in Admiral Yi Sun-sin's victories against Japan in the Imjin War.
Type 039A submarine (039A型潜艇)
The Type 039A, given the NATO reporting name Yuan class, is a diesel-electric attack submarine of China's PLAN, its first with air-independent propulsion, launched in 2004.
Type 041 submarine
The Type 041 is a Chinese submarine designation referring to the Yuan class (Type 039A) diesel-electric attack submarines and, since 2024, a new boat called the Zhou class.
Type 052C destroyer
The Type 052C destroyer, called Luyang II by NATO, is a class of six Chinese guided-missile destroyers and the first PLAN warships with true area air defense.
Type 052D destroyer
The Type 052 destroyer, or Luyang III, is a guided-missile destroyer built by Jiangnan Changxing and Dalian for China's PLAN and has been in service since 2014.
Type 054A frigate
The Type 054A frigate (NATO name Jiangkai II) is a Chinese guided-missile frigate class, first commissioned in 2008 and built in larger numbers than any other modern Chinese surface combatant.
Type 055 destroyer
The Type 055 destroyer, known in NATO usage as the Renhai-class cruiser, is a large stealth guided-missile warship of the Chinese PLA Navy with 112 vertical-launch cells.
Type 071 amphibious transport dock
The Type 071 (Yuzhao class) is a roughly 25,000-ton amphibious transport dock of the Chinese navy that lands troops, armored vehicles, landing craft, and helicopters through a well deck.
Type 094 submarine
The Type 094 (NATO reporting name Jin class, 晋级) is a class of Chinese nuclear-powered ballistic missile submarines armed with 12 JL-2 ballistic missiles; six boats are operational.
Type 209 submarine
The Type 209 is a German-designed diesel-electric attack submarine built for export by Howaldtswerke-Deutsche Werft since 1971, in five tonnage variants, and never operated by Germany.
Type 214 submarine
The Type 214, also called the Papanikolis class, is a German export diesel-electric attack submarine with fuel-cell AIP, developed by HDW and operated by Greece, South Korea, Turkey, and Portugal.
Type 22 frigate
The Type 22 frigate, also known as the Broadsword class, was an anti-submarine warfare frigate class of the Royal Navy, with fourteen ships completed between 1979 and 1988.