Aleksandra I. Pokryshkin is a Captain from the Orussian Army's 216th Fighter Aviation Regiment. She is a witch known for being a great commander and strategist. She is mostly active on the front lines in the south, and flies repainted brown MiG-60 striker units. Aleksandra is based on ace Alexander Ivanovich Pokryshkin who was nicknamed "Engineer" when he was a teenager.
(Source: Strike Witches Wiki)