Complex sentence: As the captain of the starship USS "Enterprise", Kirk leads his crew as they explore "where no man has gone before", often with the characters of Spock and Leonard McCoy acting as logical and emotional sounding boards, respectively.
Split into simpler sentences: As the captain of the starship USS "Enterprise", Kirk leads his crew as they explore "where no man has gone before". Often, the characters of Spock and Leonard McCoy act as his logical and emotional sounding boards, respectively.