Dagger One
From The Stargate Omnipedia
Radio call sign for Colonel John Sheppard's F-302, launched from starship Daedalus. Daggers One and Two intended to disable the hyperdrive of a Wraith hive ship -- a ship originally considered to be a friendly.
KEY EPISODE
Allies - Sheppard launches from the Daedalus with Dagger one, intent on disabling a Wraith hive ship's hyperdrive.