Collocations for surveillance - noun
ADJ.
close, constant, regular, round-the-clock, routine | covert | aerial, CCTV/closed-circuit television, electronic, satellite, video | military, police
VERB + SURVEILLANCE
be under
The suspects are under police surveillance.
The suspects are under police surveillance.
keep/place/put sb/sth under
The country''s borders are kept under constant surveillance.
The country''s borders are kept under constant surveillance.
carry out, mount
The army carried out covert surveillance of the building for several months.
The army carried out covert surveillance of the building for several months.
increase, reduce
SURVEILLANCE + NOUN
camera, device, equipment | method, operation, system | aircraft | flight | team