Yes - Alvin (DSV-2) is completely battery powered when performing deep ocean operations, when released from its tender.
Torpedo
The modern definition of a torpedo is a self-propelled underwater missile. (see related question)
Torpedo
self propelled reaper
The Alvin
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Alvin was the special submarine that fount The Titanic remains
Lunokhod-1 was the first self-propelled vehicle on the moon.
An aircraft with an engine. A non-self propelled aircraft would be a balloon or a glider.
A self-propelled missile launched from a ship or submarine is commonly referred to as a cruise missile. These missiles are designed to travel at a steady speed and altitude, allowing for precision targeting of ground or sea-based targets. They typically utilize guidance systems such as GPS or inertial navigation to navigate to their intended destination. Examples include the Tomahawk missile, widely used by the U.S. Navy.
A shot fired from a submarine is commonly referred to as a "torpedo launch." Torpedoes are self-propelled weapons designed to travel underwater and strike targets, typically ships or submarines. Submarines can also launch missiles, but these are categorized separately from torpedoes.
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