Lapangan 12 - Corps of Engineer
Tugas dhaptar militèr diarani "MOSs," utawa "Spesialisasi Pendhudhukan Militèr."
Angkatan Darat mbedakake MOS dadi "Fields," proyek sing duwe misi sing padha. Ing ngisor iki ana MOS sing dadi anggota Corps of Engineer Field :
12A- Sersan Senior Engineer
12B - Combat Engineer
12C - Bridge Crewmember
12D - Diver
12G - Spesialis Penggalian
12H - Supervisor Teknik Constructlon
12K - Plumber
12M - Pemadam kebakaran
12N - Construction Engineer Horisontal
12P - Spesialis Produksi Perdana
Spesialis Distribusi Jalur Tenaga 12Q
12R - lnterior Electrician
12T - Teknisi Teknisi
12V - Konstruksi Peralatan Konstruksi lan Aspal
12W - Spesialis Karpentry lan Masonry
12X - Supervisor Teknik Umum
12Y - Geospatial Engineer
12Z - Sersan Senior Kombat Engineering