There from a safe height above he could search with a powerful glass into its deeps.

He could stay at a safe height and simply bomb his target.

It found a favorable air current and fought its way to a safe height.

He settled back, once they were at a safe height, and transferred over to the hydrogen tank.

Once again we return to the old advice to practise at a safe height.

This is why you started at a safe height.

If the Americans were just looking from a safe height - ten thousand meters - we couldn't even have touched them.

It's one thing to watch from a safe height.

"Very well, we shall cross it then at a safe height!"

Circling up and back toward the cliff at a safer height, they looked down.