View source for Propulsion (TOS)

:''For the propulsion counterparts in the [[Battlestar Galactica (RDM)|Re-imagined Series]], see [[Propulsion in the Re-imagined Series]].''

In the [[Original Series]], the [[The Fleet (TOS)|Fleet]] moved only at ''sublight'' speeds.

''Lightspeed'' is the term for a Colonial [[Battlestar (TOS)|battlestar]] accelerating to the speed of light or faster. No other ship in ''Galactica's'' rag-tag [[The Fleet (TOS)|Fleet]] had lightspeed ability, so normally the battlestar moved no faster than the slowest ship in the Fleet during its exodus from the destroyed [[The Twelve Colonies (TOS)|Twelve Colonies]].

Commander [[Cain (TOS)|Cain]] brings ''[[Pegasus (TOS)|Pegasus]]'' to lightspeed in order to outflank [[Baltar (TOS)|Baltar]]'s attack force, though Cain earlier commented that such a maneuver would result in using half of ''Pegasus'''s fuel ([[The Living Legend, Part I]]).

Commander [[Adama (TOS)|Adama]] orders Colonel [[Tigh (TOS)|Tigh]] to take ''[[Galactica (TOS)|Galactica]]'' to lightspeed, despite Tigh's objections that suggest that it had been some time since the battlestar was ordered to accelerate that fast ([[Experiment in Terra]]).

==Note==

Unlike its [[Galactica (RDM)|Re-imagined counterpart]], however, ''Galactica'' apparently accelerated to lightspeed through its engines and did not perform any hyperdimensional movement.

While the Re-imagined Series attempts to ground its technology to plausible theories regarding [[FTL|apparent FTL]] travel, the Original Series was less scientific. The mechanism and theory of lightspeed travel in the Original Series was never explained.

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