noun
Refers to the police force within a military organization, responsible for law enforcement and discipline among military personnel.
軍事警察が基地の警備にあたっている。
The military police are guarding the base.
憲兵 often refers specifically to the military police of the Imperial Japanese Army, while 軍事警察 is a broader term for military police in general.
Compound of 軍事 (military) and 警察 (police).