What is the purpose of the sighting wire on a compass?

Master the Corporal's Course Tactical Tools Test. Use flashcards and multiple choice questions, every question equipped with hints and explanations. Prepare effectively for your exam!

The sighting wire on a compass is primarily used to assist in precise navigation by aligning the compass with a specific landmark or direction. When looking through the sighting wire and aligning it with the compass needle, users can effectively determine their bearing relative to that landmark. This alignment allows for accurate readings and helps maintain a correct course when navigating in the field.

The other options do not accurately describe the purpose of the sighting wire. For example, determining wind direction is typically accomplished with different tools, such as a windsock or an anemometer. Reading the dial is generally facilitated by the compass needle itself and the markings on the dial, while measuring distance to targets requires a different type of instrument, rather than a compass with a sighting wire. Therefore, the sighting wire’s role is critical for navigation rather than for use with weaponry or measuring other variables.

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