A KC-135 is a Tau'ri airplane used on Earth for refueling other planes such as F-15 fighters. It is a variant of the DC-10 passenger aircraft.

Alternate timelines

In an alternate timeline created by Ba'al, a KC-10 refueled SG-1's F-15s. It was destroyed by a Ha'tak's staff cannon blast when Qetesh ordered Ba'al's fleet to bombard Earth. (SG1: "Continuum")

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