I have this badge because I completed the robotics quest in Classcraft.
This is my badge for becoming a Starfleet Petty Officer 3rd Class in Classcraft
This is my badge for becoming a Starfleet Petty Officer 2nd Class in Classcraft
This is my badge for becoming a Starfleet Petty Officer First Class
This is my badge for becoming a Chief Petty Officer
This is my badge for becoming a Master Chief Petty Officer