What is "electronic surveillance"

Usage examples of "electronic surveillance".

Three KH-type photoreconnaissance satellites were currently in orbit, plus nine electronic surveillance birds.

White knew that ships, subs, aircraft, or even shore-based electronic surveillance systems could pick up electromagnetic emissions from long distances--passive electronic reconnaissance was one of White's most popular missions--so the Mistress's classified sections were shielded to foil eaves-droppers.

And we got smarter, too, with electronic surveillance--- now it's called 'special operations'.

And we got smarter, too, with electronic surveillance -- now it's called 'special operations'.

She was nobody, a low-level tech with a talent for electronic surveillance.

Again going underground, he finally surfaced in East Germany six months ago, eventually turning up in Paris, where his trail had been picked up by an electronic surveillance team from the Army's Intelligence Support Activity who had been monitoring the telephones of Action Direct, a French terrorist organization.

Oslett interpreted Clocker's statement to mean that part of Alfie's training included state-of-the-art electronic surveillance equipment and techniques.

He was German, but had converted to Islam, which had struck someone as odd enough to deserve electronic surveillance.

Wherever possible, they prefer on site intelligence over electronic surveillance.

Wherever possible, they prefer on-site intelligence over electronic surveillance.

They were backed up and augmented by the best electronic surveillance systems America had ever built.