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Wendover Productions explains how the US military moves people and materiel worldwide, including prepositioned equipment, sealift and airlift. It shows the scale of the logistics system behind US force projection.

Military History Visualized charts ship production by the United States and Japan from December 1941 to September 1945. The growing numbers show why Japan, despite a stronger starting navy, could not win a long war.

Defense analyst H I Sutton argues that a new type of Chinese landing barge can only be explained by planning for an amphibious assault, in particular on Taiwan.

Practical Engineering explains how canal locks work, including the water-saving basins of the new Panama Canal locks.

Wendover Productions explains the wave of supply shortages in 2021, arguing the causes go beyond COVID. It covers how just-in-time manufacturing was applied, container imbalances and the chip shortage.

A short, sarcastic Half as Interesting video about a tiny freight railway in Canada built to exploit a shipping regulation loophole. It explains how a track just 100 feet long counted as a railway.

A short clip about the Australian Collins class submarine HMAS Rankin reportedly defeating US Navy ships in a war-game exercise.

Retired submarine captain David Marquet explains, with drawings, how he turned the USS Santa Fe around by treating his crew as leaders rather than followers. It summarizes the ideas of his book Turn the Ship Around.

Fully Charged rides a 100% battery-electric ferry across the 4 km strait between Helsingborg, Sweden and Helsingør, Denmark. The ferry crosses up to 46 times a day and charges for a few minutes at each side. The video shows the charging setup, including the robot arm that couples the charger.

A short video illustrating the hazard of pressure differentials (delta P) in commercial diving, where a pressure difference creates enormous force on a diver. It is a safety-oriented look at diving accidents.