"Take this tub to Latvia."

What do I think?  I think it's a cloudy night and she stands somewhere on the Jersey shore in a wet suit and scuba mask, wearing air tanks and flippers. She checks the compass on her wrist, tunes into the homing beacon beeping through an earbud, then wades into the water and does a mile swim to a Russian sub sitting near the bottom.

The sub has a torpedo tube with the outer hatch open.  Ditching the tank and flippers and mask, she crawls into the tube then takes a piece of metal out from the sleeve of her wet suit.  She bangs on the innter hatch.  The outer hatch closes.  She pulls out the earbud and puts her fingers in her ears as air is forced in to drain the water from the tube.

This way US Navy sonar won't pick up the opening and closing of an air-lock.

The inner hatch is opened and she is pulled from the tube.  A Russian sailor hands her a cigarette and lights it for her.  Another Russian sailer hands her an open bottle of vodka and she grabs it and takes a full throated slug.  She hands the vodka back to the sailor, unzips her wet suit to give the boys some cleavage and starts walking towards the control room saying, "Take this tub to Latvia."