sorry im super green. what do you mean earn your pin? how long does that take
When you are become fully qualified in your job and "earn" your warfare designator, you literally get a pin for your khaki uniform and a patch for your NWU uniform. Thus, getting qualified is also referred to as "getting pinned". Most people, at least in the Reserves, take 2-3 years to get pinned.
Here is the Officer pin for the Information Warfare Community:
There is a pin for the Enlisted as well, but it is silver and not gold.