He banged the butt of his pistol against the steel hatch.

The man nodded once, as the heavy steel hatch clicked and slowly swung open.

The blast had nearly torn the steel hatch off its hinges.

From forward there was the clang of a steel hatch; he started and looked round.

Behind this door, set several feet down in concrete, was a round steel hatch, like one found on a submarine.

As they approached, the steel hatch swung open and he stepped to the inside of the ship.

The thick steel hatch now acted as a shield against the bullets.

Soon Hawkmoon could see a circular steel hatch in the rock ahead of them.

At one point he had opened the steel hatch and tried to paddle against the current to free himself, but to no avail.

At the end of the chamber, a third steel hatch- larger and heavier than the others- was set.