The Horus Guard, wearing retractable helmets in the image of a falcon, are the elite Jaffa warriors who serve the family of Ra. The Horus Guard served Ra in ancient Egypt during the period when Earth fell under Ra's domain. Horus Guard had also attended Heru'ur, and had been seen in the service of Hathor and Amaunet.
Cross Reference: Amaunet, Hathor, Heru'ur, Horus, Jaffa, Ra, Serpent Guard, Setesh Guard
Episode Reference: Thor's Chariot, Secrets, Out of Mind, Into the Fire, Forever in a Day, Divide and Conquer, Moebius