(n) guardship
(n) guard (soldier)
(n) assistant inspector
(n) warning sound
(n) alarm (fire, burglar, etc.)
sensor
(n) alarm (fire, burglar, etc.)
sensor
(n) civil defense unit
civil defence unit
(n) military police
MP
(n) military police brigade (land army)
(n) vigilance committee
vigilante corps
(n) state police
provincial police
(n) without warning or notice
(n) (the state of) anarchy
(n) Los Angeles police department
LAPD
(n) smoke alarm
smoke sensor
(n) fire alarm
(n) maritime police
(n) card-key system
(n) mobile police
(n) mounted police officer
(n) Kyoto Prefectural Police
(n) air-raid alarm
(n) military police
(n) guarding
guard
(n) air-raid siren
(n) guarding
guard
(n) Zen stick (used by a Zen priest to strike an inattentive Zazen sitter)
(n) warning shot
(n) police academy
(n) police state