It halted just short of the ship and eased in toward the main lock.

Will was waiting at the main lock with his suit on.

They reached the main lock at almost the same instant as an armed party of their opponents.

"Open the main lock and close it after we've left the ship."

Without questioning the machine, I ran back to the main lock.

Two space-suited figures were coming out of the main lock.

Then the men around me left the control room and went down the companionway toward the main lock.

At last they were finished and cycled back through the main lock.

Then he joined the others on their way to the Moonship's main lock.

If we try to go out the main lock into the station, they'll get us for certain.