Tagrean defense platform

From The Stargate Omnipedia

Tagreandefenseplatform2.jpg

Highly mobile, balloon-shaped weapons platform of Tagrean design, capable of relocating across many kilometers in a short period of time to serve the needs of Tagrea's military leadership. The devices often work in teams, swarming threats.

Their weapons yield is unknown.

KEY EPISODE

Memento - After Prometheus is permitted to enter the atmosphere of Tagrea, multiple defense platforms are assigned to surround the vessel.