V-T Fuse Bombs Loaded Onto B-52's

The video explains how projectiles are designed to activate only when they are outside friendly range and within enemy territory. It details the careful adjustment of fins and the role of radio waves in detecting targets within a specific range. Once the target is detected, the explosive charge is triggered, leading to an explosion.

What role does the radio set play in the functioning of the projectiles?

What happens when the target is within the specified range?