Fortaleza de São Miguel ko Sansanin soja na Saint Michael wani sansanin soja ne na Fotigal da aka gina a Luanda, Angola. A lokacin mulkin Dutch a Angola tsakanin 1641 da 1648, an san sansanin da Sansanin soja na Aardenburgh. Sansanin soja na São Miguel aka gina a 1576 da Paulo Dias de Novais. Ya zama cibiyar gudanarwa ta mulkin mallaka a cikin 1627 kuma ita ce babbar hanyar shigar da bayi zuwa Brazil. Sansanin soja ta kasance shekaru masu yawa birni mai cin gashin kansa wanda aka kiyaye shi ta bango mai kauri wanda aka sanya shi da igwa. A cikin sansanin, manyan tayal na yumbu suna ba da labarin Angola tun daga shekarun farko, kuma a tsakar gidan akwai manya-manya, suna sanya mutum-mutumi na sarki Fotigal na farko, Bature na farko da ya isa Angola, Diogo Cão, mashahurin mai binciken Vasco da Gama da sauran mashahurai. Har zuwa 1975, sansanin soja ya kasance hedkwatar Babban Kwamandan Sojojin Fotigal a Angola. A yau, tana riƙe da Gidan Tarihi na Sojojin Sama. Tsakanin 1938 da 1958 suka riƙe Museu de Angola, har sai da aka motsa aka sauya masa suna Museu Nacional de História Militar.