What is Platoon sergeant?

Second Sergeant is a specialist rank in the Singapore Armed Forces. Second sergeants are rank above third sergeants, but below first sergeants. The rank insignia for a second sergeant features...

A junior sergeant is a military rank used in the armed forces of many countries. It is usually placed below sergeant.

Senior staff sergeant is a non-commissioned rank in the Singapore Police Force and St. John Brigade Singapore.

The academy sergeant major is the senior non-commissioned officer instructor at a military academy.

A Provost Sergeant is a non-commissioned officer associated with military police.

Quartermaster sergeant instructor is a warrant officer appointment in the armies of the United Kingdom and Canada. Commonwealth military appointment

Regimental quartermaster sergeant is a military rank in some militaries, and an appointment in others.

Staff sergeant major is an appointment in some Commonwealth armies and also a rank in the Royal Canadian Mounted Police. Military rank or appointment