Yahoo Web Search

Search results

  1. en.wikipedia.org › wiki › SurveillanceSurveillance - Wikipedia

    23 hours ago · Micro Air Vehicle with attached surveillance camera. Aerial surveillance is the gathering of surveillance, usually visual imagery or video, from an airborne vehicle—such as an unmanned aerial vehicle, helicopter, or spy plane. Military surveillance aircraft use a range of sensors (e.g. radar) to monitor the battlefield.