〈宇宙船の〉 the command module《★略: CM》
a Commander‐in‐Chief 《《複数形》 Commanders‐》 《略: C‐in‐C》
〈飛行場の〉 a control tower
〈潜水鑑の〉 a conning tower
the headquarters.
the commander
the commandant of a fortress
the commandant of a garrison
the Chief of the General Staff
参謀長.
the chief of staff
the brigade-headquarters