Using on-board cameras, users have the option of being streamed live to the ground.

Others might scoot about with small on-board cameras to provide live video feeds from space - a capability no nation currently has.

That pattern is used by on-board cameras to judge the distance traveled.

The aircraft is equipped with two on-board cameras to provide real-time intelligence to its operators.

The measured data and live images of the on-board camera were transferred directly to the ground station.

Earth resources work using the on-board cameras were carried out, in coordination with ground crews, airplanes and helicopters.

Several innovations were introduced, including the first 180-degree on-board rotating camera, and a Skycam along the mainstretch.

There are variants which differ in the design of the case, the keyboard and the presence of an on-board camera.

One estimate has the on-board camera able to read a license plate from two miles (3 km) away.

Orientation of the satellite so the on-board camera will be faced to earth and to take picture of Estonia.