This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Scorpion radio room. This is the actual sign that was on the Radio Room door When She was first commissoned the radio room was Limited Area but year or so later the Navy changed the designation to Exclusion Area When we put the new sign up identical to this one except for the new designation kept the original The Commisioning Radiomen