Of the 53 posts found with "SA", and 9 with "NG", there's 4 with both terms in them.
Care to explain what you mean?
>Johan Hut
Funny name you got there.
Image is from an training excercise of some emergency rescue service association named the "Johanniter".
https://www.johanniter.de/dienstleistungen/im-notfall/bevoelkerungsschutz/katastrophenschutz/katastrophenschutz-im-regionalverband-allgaeu/
Kek! Must be some Mason game then.