Gateship One
From The Stargate Omnipedia
Radio call sign devised by Dr. Rodney McKay and Lieutenant Aiden Ford, but rejected by Major 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."