What is one method to determine range to the target when the laser range finder (LRF) is unavailable?

The known-range method is a reliable alternative for determining the range to a target when a laser range finder is unavailable. This method involves using a reference point or object with a known distance to calculate the range to the target. By applying principles of geometry, you can measure angular displacement or use tools such as a compass or a protractor to establish distances based on the known reference.

This approach is particularly useful in various field situations where modern technology may fail or not be available. It allows operators to make accurate estimations based on familiar distances and angles, thus maintaining operational effectiveness even when electronic means are compromised. It encourages the use of prior knowledge and skills developed through training to assess distances in a practical, real-world context.