It was posted over 10 years ago and there’s people in the background wearing DPM, suggesting it’s even older than that.
All right then, just no where I look online mentions anything about no1s that’s isn’t contradicted by someone else, I’ll see about asking someone who will me like the staff sergeants, this but is added on after the fact, I was looking at the photo more, that guy is a cadet, and not a Lords lieutenant cadet, as they have the badge at the bottom of there sleeves unless things have changed since then
I got issues dpm 3 years ago, and when i was on camp a couple weeks ago there where a surprising amount of cadets in dpm
Dress regs explain it in excrutiating detail
Including where the LLC badge goes for Sgt & FS, and where it goes for WO
and where the rest of the badges go