There was only a narrow opening between the vessels to one side and the ground to the other.

She slowed down, allowed the distance between the two vessels to increase.

There were two collisions between the vessels during the rate war.

Again, the boat speed between the two vessels was remarkably even.

A siphon works because of the difference in pressure head between the two vessels.

The wide gap between the two vessels began to narrow, but very slowly.

We're broadcasting them from a point midway between the two vessels.

The starship tried to get out of the way, but there wasn't enough time or distance between the vessels.

My voice carried easily across the narrow gap between the vessels.

The language used posed no barrier to communication between the vessels.