1. The Longer Chain: This chain is the main one, and it's typically worn around the neck. Its purpose is to:
* Hold the dog tags securely: The longer chain keeps the tags from falling off, ensuring they remain readily available in case of an emergency.
* Allow for quick removal: The chain can be easily unclipped, making it possible for soldiers to quickly remove their dog tags if necessary (e.g., during combat).
* Identify the soldier: The dog tags hold crucial information about the soldier, including their name, service number, blood type, and religious preference. This information is vital for identification and medical treatment in case of injury or death.
2. The Shorter Chain: This chain is attached to the longer chain and is typically looped through a small hole on the dog tag. Its purpose is to:
* Prevent the tags from dangling too low: The shorter chain stops the dog tags from swinging around excessively and potentially getting caught on things, creating a nuisance or even a safety hazard.
* Keep the tags secure: The shorter chain adds an extra layer of security, preventing the tags from detaching completely.
So, while the longer chain is primarily for attachment and identification, the shorter chain acts as a safety measure to prevent excessive movement and ensure the tags remain secure.