Gateship One

From The Stargate Omnipedia

Radio call sign devised by Rodney McKay and Aiden Ford, but rejected by John Sheppard. Later, Atlantis personnel would settle on Jumper One, Two, etc. -- short for Sheppard's name for the ships, Puddle Jumpers.

KEY EPISODE

Rising, Part 2 - McKay's idea of "Gateship" is shot down by Sheppard, in favor of "Puddle Jumper."