If your union or employee rights organization asked you to participate in a sick-out/blue flu to support an employee rights issue, would you do it, even if it put your job in jeopardy?
Soft body armor ballistic vest packages are rated levels 1 through 4 by the National Institute of Justice (NIJ) based on how much protection from ballistic rounds they are rated to provide. Similarly, armor plates are available in two different types or classes tested and recognized by the NIJ: type 3 and type 4.
The National Institute for Justice produced this video covering testing procedures and the importance of officers wearing their ballistic vests. Source: NIJ