Luckily, navigational devices have come a long way since then.

To say it is a tried-and-true navigational device would be a gross understatement.

But he added that navigational devices have never been turned off in wartime.

Then the navigational devices would take over; the single rocket would fire and send him to his new home.

Luckily, I have a navigational device on my car.

Built into the chest panel is a navigational device.

It is essential therefore that easily remembered navigational devices are built into the environment.

But many fish in these particularly turbid waters have additional navigational devices.

It was thought to be an astrolabe, a navigational device to determine the attitude of the sun and stars.

It was the "Jeopardy" board reincarnated as a navigational device.