source: Sahara Reporters; Twitter
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) - Lake Chad Faction
location: Marte
notes: On 5 December 2021, the Nigerian air force carried out airstrikes on ISWAP armory bases at Kusuma and Sigir in Marte LGA (Borno), coded as Marte. Scores of militans were killed, inlcudng an ISWAP commander, Abou Sufyan. Fatalities coded as 20.