Lieutenant Commander Aleksandra Dmitrievna Zaytseva, also known as Sasha to her friends and holding the callsign Revenant, is a UNSC Naval aviator and former Marine. Born to a Russian family on Biko, Sasha grew up immersed in the culture of the region, learning Russian alongside the more common English. This lead to her possessing a heavy Russian accent in whichever language she is speaking.