observer; watchman; lifeguard
all eyes (of the public); (in) full view of the public; (with) everyone looking on; (focus of) public attention
surveillance camera; security camera
supervised; under surveillance
surveillance system; monitoring system
lookout post; observation point
monitoring program; supervisor
Securities and Exchange Surveillance Commission
electronic surveillance; electronic monitoring
international monitoring team; IMT; international observers
ocean surveillance satellite
UN Monitoring, Verification and Inspection Commission; UNMOVIC
online real-time surveillance
price monitoring; price observation
UN Truce Supervision Organization