TŠEBELETSO EA 13, ENGINEER, MOKHATLO, LITŠOANTŠISO LE MOKHOA
Hape, ba bang ba Marine tšimong ba sebetsa le ho boloka le ho aba lihlahisoa tse ngata tsa peterole. Marine a kenang tšimong a amohela MOS 1300, Moenjiniere oa Motheo, Mohaho le Lisebelisoa tsa Leoatle. Lintho tsa motheo tsa metsing li ka fuoa MOSS tse sa tšoaneng 'me li ka romeloa likolong tse sa tšoaneng. MOSS eo qalong e fumanehang ke mosebeletsi oa tšepe, mochine oa thepa ea moenjiniere, mochini oa thepa ea moenjiniere, moenjiniere oa ntoa, mothusi oa moenjiniere le setsebi sa mafura a mafura. Monyetla oa ho kenya letsoho lenaneong le hlophisitsoeng la ho ithuta ho lebisa tlhokomelong ea Lefapha la Mosebetsi oa Koetliso oa Tlhahlobo ea ho Ithuta ho ka 'na ha fumaneha ho MOSS e ka hare ho OccFld 1300; bua ka MCO 1550.22 bakeng sa tlhahisoleseding e tobileng mabapi le lenane lena. Ho na le likoloto tse fapa-fapaneng tse thata le tse thahasellisang tse fumanehang OccFld 13, ho tloha ho mohlophisi-moetlisi oa mosebetsi ho ea ka likarohano tsa maoatleng, lihlopha tsa ts'ehetso ea tšebeletso, le mapheo a lifofane tsa Marine.
Ka tlase ho na le Lintho tse khethehileng tsa mosebetsi oa sesole sa Marine Corps tse hlophisitsoeng tlas'a tšimo ena ea mosebetsi:
1316 --Metal Worker
1341 - Mechine ea lisebelisoa tsa lisebelisoa
1342 - Sesebelisoa sa Craft Mechanic
1343 - Mochine oa Assault Breacher / Joint Assault Bridge (JAB) Mechanic
1345 - Mochine oa lisebelisoa tsa boitsebiso
1349 - Moeta-pele oa lisebelisuoa tsa boipheliso
1361 - Motlatsi oa Mohlokomeli
1371 - Moqapi oa Ntoa
1372 - Koloi ea Assault Breacher