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The cylinder under the belly
external fuel tank
An extra fuel tank mounted externally to the body of its vehicle. Most commonly seen on aircraft, where they are popularly known as "drop tanks" for their ability to be jettisoned to to allow to aircraft to maneuver freely, though not all external tanks can actually be "dropped" in this manner.
Examples
External links
The following tags are aliased to this tag: drop_tank (learn more).
