drum major (field commander / marching band)

marching band

rotating band / driving band

Major NATO Commander (MNC)

Major Subordinate Commander (MSC)

major subordinate commander

major commander

Commander Task Force / Commander, Task Force (CTF)

ammunition drum

drum-beat cadence

back-sight drum

brake drum

brake drum shaft

circular magazine drum

clinometer drum

winch drum shaft bracket

winch worm brake drum

deflection drum (of a sight)

drum brake

drum heater

drum yard scale

elevation drum

drum

feed drum

cartridge drum

field commander

marching

marching column

marching order

service dress marching order

marching command

marching drill

marching fire