Stormguard is a Tau'ri Aircraft carrier-class United States Navy vessel.
Stormguard was used by members of Alexandria Klaus' expedition to get into the Island of Doom. After noticing the island was going to be bombed, Commander Alexandria ordered the captain of Stormguard to leave, and let her and her team on the island. (Stargate: "Stargate: Doomsday World 2")