Jinx Ship to the Rescue

Stand by for T.R.S. Aphrodite , butt of the Space Navy. She's got something terrific in her guts and only her ice-cold lady engineer can coax it out of her!
Brevet Lieutenant Commander David Farragut Strykalski III of the Tellurian Wing, Combined Solarian Navies, stood ankle deep in the viscous mud of Venusport Base and surveyed his new command with a jaundiced eye. The hot, slimy, greenish rain that drenched Venusport for two-thirds of the 720-hour day had stopped at last, but now a miasmic fog was rising from the surrounding swampland, rolling across the mushy landing ramp toward the grounded spaceship. Visibility was dropping fast, and soon porto-sonar sets would have to be used to find the way about the surface Base. It was an ordinary day on Venus.
Strike cursed Space Admiral Gorman and all his ancestors with a wealth of feeling. Then he motioned wearily to his companion, and together they sloshed through the mud toward the ancient monitor.
The scaly bulk of the Tellurian Rocket Ship Aphrodite loomed unhappily into the thick air above the two men as they reached the ventral valve. Strike raised reluctant eyes to the sloping flank of the fat spaceship.
It looks, he commented bitterly, like a pregnant carp.
Senior Lieutenant Coburn Whitley— Cob to his friends—nodded in agreement. That's our Lover-Girl ... old Aphrodisiac herself. The ship with the poison personality. Cob was the Aphrodite's Executive, and he had been with her a full year ... which was a record for Execs on the Aphrodite . She generally sent them Earthside with nervous breakdowns in half that time.
Tell me, Captain, continued Cob curiously, how does it happen that you of all people happened to draw this tub for a command? I thought....
You know Gorman? queried Strykalski.
Cob nodded. Oh, yes. Yes, indeed. Old Brass-bottom Gorman?
The same.
Well, Cob ran a hand over his chin speculatively, I know Gorman's a prize stinker ... but you were in command of the Ganymede . And, after all, you come from an old service family and all that. How come this? He indicated the monitor expressively.