> The Mercury deploys two flexible VLF (Very Low Frequency) radio antennas: one 800 meters long and the other 8 kilometers long. While in flight, the Mercury ex

> The Mercury deploys two flexible VLF (Very Low Frequency) radio antennas: one 800 meters long and the other 8 kilometers long. While in flight, the Mercury executes tight turns to lower the antennas, creating a "tornado" effect with them. That's a bit mad. I assume they have a weight on the end?