checkpoint
armor
army
ballistic vest
baton
billystick
block
body armor
bulletproof vest
bulletresistant vest
cop
cosh
counterterrorism
crime
department
enforcement
group
hard hat
hardhat
hat
helm
helmet
law enforcement
man
military
patrol
person
police
protection
protective
raid
riot
riot cop
road block
roadblock
robbery
security
soldier
special force unit
special forces
support
tactical
team
terrorism
traffic
truncheon
uniform
weapon
workgroup