Insimu 31 - Amaphoyisa aseMpi
I-Army ne-Marine Corps ibiza imisebenzi yabo ekhethekile, "i-MOS's," noma "Special Special Occupation Specialties.
Ngezansi kukhona i-MOS Army ewela eMthethweni Wokuqinisa Umthetho :
31B - Amaphoyisa aseMpi
31D - I-Agent Special Investigation Agent (CID)
I-31E - I-Internal / Resettlement Specialist
31K - Ukusebenza Inja Yokuphatha