source: PR Nigeria; EONS Intelligence
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) - Lake Chad Faction
location: Marte
notes: On 19 December 2021, the Nigerian air force, with the support of MNJT troops, launched airstrikes on ISWAP camps at Arinna Sorro, Arinna Ciki and Arinna Maimasalaci in Marte LGA (Borno). Between 77 to over 100 militants were killed across the three locations, over a dozen gun trucks and several motorbikes were destroyed.