Quoting ROUGH DRAFT 8/2/66

This is the story of the United Space Ship Enterprise. Assigned a five year patrol of our galaxy, the giant starship visits Earth colonies, regulates commerce, and explores strange new worlds and civilizations. These are its voyages… and its adventures.

— ROUGH DRAFT 8/2/66, before the Star Trek opening narration reached its final form

Tags: screen-writing, science-fiction