Sentence 1: Troy worked in a submarine in the Navy. 
 Sentence 3: Then he heard a loud noise above him 
 Sentence 4:  His bunkmate had passed gas 
 Sentence 5:  Because it was a sub, the smell lingered in the room 
 Option 1: He finished his job at the sonar station and went out to the dock where they were anchored. 
 Option 2: He finished his job at the sonar station and went to his bunk.