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)

field commander

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

marching

marching column

marching order

service dress marching order

marching command

marching drill

marching fire