In the original series, the Enterprise has a five-year mission into "uncharted space". Once they're out beyond the charts, how exactly do Kirk and the other officers on the Enterprise decide where to go next? Was there an overall initial plan, besides boldly going? Watching the show, I get the general impression of hopping around basically arbitrarily, which, out of universe, makes sense for 1960s TV — but is there a greater strategy, in-universe?

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    You make it sound like that the Federation has forgotten what telescopes are, or in fact are incapable of simply looking in a direction and saying, "Hey, that star is near by, let's check it out!"
    – Ellesedil
    Commented Apr 8, 2016 at 20:52
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    Exploring the galaxy by "Looking in a direction and saying 'hey, that star is nearby'" seems a lot like exploring a forest by looking and saying "hey, that tree is nearby"....
    – mattdm
    Commented Apr 8, 2016 at 20:54
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    It's explicitly stated right in the intro: "To explore strange new worlds, to seek out new life and new civilizations, to boldly go where no man has gone before." Picking a random direction and just going is their entire raison d'etre. That's what exploration is all about. Commented Apr 8, 2016 at 21:21
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    @DarrelHoffman Well, forest comment again. "Seeking" and "picking a random direction" aren't exactly the same. If you have a more in-depth and referenced explanation if that, I'd love to see it as an answer — note that the two answers so far both say something very different, and with reasonable justification.
    – mattdm
    Commented Apr 8, 2016 at 23:24

3 Answers 3


The original "pitch" from Roddenberry (to the Studio Execs who ended up paying for the show) was that the Enterprise was on a 5 year mission to explore a specific quadrant of the Galaxy, extending out from Alpha Centauri toward the Galaxy's edge. They would stop at each M-Class planet they encountered and they would periodically visit any human colonies or Starbases within the quadrant to restock whenever they ran low on supplies.

Galaxy exploration and Class M investigation: 5> years

You will patrol the ninth quadrant, beginning with Alpha Centuri and extending to the outer Pinial Galaxy limit.

You will conduct this patrol to accomplish primarily

(a) Earth security, via exploration of intelligence and social systems capable of a galaxial threat, and

(b) Scientific investigation to add to the earth's body of knowledge of life forma and social systems, and

(c) Any required assistance to the several Earth colonies in this quadrant, and the enforcement of appropriate statutes affecting such Federated commerce vessels and traders as you might contact In the course of your mission.

So to answer your question;

The Enterprise' broad direction of travel during their 5 year journey was chosen by Starfleet.

They're expected to travel along a roughly pre-determined path, stopping and investigating anything they find within the territory they've claimed and determining whether there's any scientific interest, potential Federation members, threats to Federation security or just anything that may be of long-term interest.

Specific course planning is chosen by Kirk and occasionally Spock.

This seems to be accomplished (thankfully off-screen) at long boring briefings with the senior staff. They're also scanning ahead and attempting to visit as many 'points of interest' along the way. Occasionally Spock will notify the Captain that he's changed the vessel's course but everyone below them needs to ask before they make anything more than minor course corrections.

Minute-by-minute course planning is accomplished by whoever is Officer of the Deck.

The aim is obviously to get to a specific destination (the one chosen by Kirk/Spock) but the OOD is expected to takes into any updated advice from the ship's Navigation Officer and Conn Officers who notify the OOD if they see anything they need to change direction for (space debris, spacial phenomena, distress signals or other potential first-contact situations, etc). The Conn Officer is also the one who actually, factually steers the ship.

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    "ninth quadrant"? Oh my... I remember in one of my college math classes anybody who was really wrong about something was only in the "fifth quadrant" (so-named because the first student to be really wrong about something mistakenly believed there could be more than four quadrants)
    – user11521
    Commented Apr 8, 2016 at 23:23
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    @Richard In that kind of coordinate system, you would reference a specific quadrant by sector and quadrant (e.g., Sector x, Quadrant y). The only way it makes sense to refer to a ninth quadrant would be if there's some high-level designation given to each quadrant (e.g., Quadrant 9 = Sector 3, Quadrant 1). And if that's the case, what's the point of subdividing by sectors and quadrants? It would make more sense to just refer to each "quadrant" as a sector.
    – Elezar
    Commented Apr 8, 2016 at 23:49
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    @Elezar - I didn't write the thing :-P
    – Valorum
    Commented Apr 9, 2016 at 0:06
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    @Richard the more of your answers under this tag that I read, I'm not entirely convinced that's true ;)
    – 1252748
    Commented Apr 9, 2016 at 2:31
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    @wizzwizz4 If they are quadrants then they are four (presumably labelld alpha, beta, gamma, delta). We may have 8 octants, though Commented Apr 9, 2016 at 16:47

From the point of the viewer, there was no plan, nor would there need to be. It was decided by what stories the writing crew needed and would be backstopped with necessary preliminary missions which the Enterprise and the other Constitution-class exploration ships would follow up on. Most of those missions were defined by Starfleet and undertaken as needed by the closest available ships.

  • Since the show was designed to be episodic, there would be very little need for continuity and almost no effort was made for such a thing back then. As such, there was no plan made for the show beyond being as interesting as the laws of television and the social climate would allow.

  • In Universe: The Federation, in theory, was spreading its influence and beliefs to species whose technological capacity would allow them membership in the Federation, presuming they weren't already under the leadership of another galactic level organization already. Thus the crew of the Enterprise likely had a flight plan and would go out and return as directed by their particular leader or commanding group in Starfleet.

  • The most likely plan, though never officially mentioned in great detail, would be to travel out and determine where borders to Federation space could be made and maintained, effectively protecting the planets under Federation guidance.

  • The Federation did not consider itself a military power, thus its ships possessed a great deal of scientific capacity on board, bolstering their claim they were involved in peaceful exploration of the galaxy, with the understanding they would defend themselves only as necessary.

  • Thus the border of Federation space bumped up against the Romulan Star Empire, the Klingon Empire, Tholian Space and other stellar governments with whom the Federation would have to eventually deal with as either enemies or allies.

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    Perhaps worth noting is that the weapons were also used for non-combat purposes, e.g. trying to destroy asteroids that are going to collide with a planet.
    – jpmc26
    Commented Apr 9, 2016 at 0:04
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    That's a very interesting map, but doesn't the 2D nature make it kind of useless? I mean it's not like a map of land or water. The 3rd dimension in a populated space system would be extremely relevant, wouldn't it? Couldn't any or all of those regions of influence overlap on the z-axis?
    – Hack-R
    Commented Apr 10, 2016 at 3:23
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    @Hack-R - Somewhat. But Galaxies aren't just big balls of stars. Most, like ours, have a central mass around which everything else rotates on a certain axis. There is essentially one plane (aka: disc) that most every star system exists on. So for a map of large enough scale, flat would be a reasonable approximation.
    – T.E.D.
    Commented Apr 10, 2016 at 4:12
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    @Hack-R Space is 3D, but the galaxy is fairly 2D. It's roughly 140kly across, but only about 2kly thick.
    – Compro01
    Commented Apr 10, 2016 at 9:09
  • @Compro01 - IIRC, most of that width is near the center too (the Galactic Bulge). Out in the arms (where Earth is) it would be even thinner.
    – T.E.D.
    Commented Apr 13, 2016 at 18:59

At the beginning of many episodes of the original series, a "captain's log" voice-over says something along the lines of "we have been ordered to (planet) for (reason)"; Enterprise had frequent communication with Starfleet Command, and got new instructions for essentially every episode -- responding to distress calls or requests for help or mysterious silences from Federation colony worlds, going to the last known location of a lost sister ship, or exploring a new star system.

So the "five year mission" evidently wasn't mapped out in detail in advance, and the Enterprise wasn't so far out on the frontier that it couldn't visit interior worlds of the Federation on a regular basis.

In none of the original series episodes does the Enterprise intentionally go into "uncharted space". Searching the transcripts for "uncharted", there are references to uncharted systems or planets (Arena, The Alternative Factor), and occasional unintentional departures into uncharted space (Is There In Truth No Beauty?).

The impression is thus that the Enterprise is retreading a lot of space that's already been somewhat shallowly surveyed; often the ship's databanks already have very basic information about planets they're visiting, but not the details critical to the plot of the episode.

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    Yes, they're in constant communication with Starfleet, who keeps their task list populated with missions and maintains their calendar on a broad scope (lots of comments are made along the lines of "We're not scheduled to rendezvous with the Potemkin at Starbase 14 for another four days, which gives us enough time to [go do something else that just came up]."), but the specific details of course selection and minor schedule adjustments are almost always at the sole discretion of whoever is in command of the ship. Unplanned side-trips are common, and do not seem to need to be approved with ... Commented Apr 10, 2016 at 13:16
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    ... Starfleet Command; these may be done in furtherance of the existing mission as new information comes to light, or for unrelated reasons such as a distress call or the appearance of some unusual phenomenon that the captain feels warrants investigation. Occasionally Starfleet Command or some other person in authority along for the ride tries to override the captain's authority to make such adjustments to the schedule and orders him to abandon these side excursions and proceed directly to their original destination; the authority of these sorts of orders are often contested ("I'm in ... Commented Apr 10, 2016 at 13:16
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    ... command here!", etc). But in general, Starfleet sets the broad goals and schedule, and then leaves the day-to-day management decisions to the captain. Commented Apr 10, 2016 at 13:16

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