The military has undoubtedly performed intensive aerial surveillance of the area, but apparently has not released any information about lost ships.

I'm planning to have a family, so I'm choosing intensive surveillance, at least for now.

Encouraged by these 'classic' pictures, the LNI mounted intensive surveillance of the loch's surface throughout the 1960s.

He was arrested by the Australian Federal Police on 2 June 2008 after intensive surveillance and investigation.

When three minutes of intensive surveillance yielded nothing but stillness and perhaps a few easily traceable heartbeats, it seemed sensible to leave, quietly.

These guidelines are based on recent meta-analyses showing intensive surveillance and close follow-up can reduce the 5-year mortality rate from 37% to 30%.

He has not been charged but remains under intensive surveillance and investigation.

But Federal officials defended the approach, saying the arrests were based on intensive surveillance that included wiretaps and videotapes in some cases.

The girl was the focus of intensive surveillance.

More regulations, bureaucracy and intensive surveillance can never be enough to maintain a successful policy.