While Susan Ivanova holds the rank of lieutenant commander, it is appropriate to address a person of that rank as "commander" or "sir," not "lieutenant commander." Members of the crew, including the station commander himself, address Ivanova as "lieutenant commander."
Anyone with a basic understanding of military ranks should know this.
While Franklin and Hendricks discuss the morality of plundering dead civilizations for their technology, Franklin uses the non-existent word "scavage" for what is certainly "scavenge".