A new report shows that the quantities of lethal materiel seized by Boko Haram from state stockpiles are astonishingly high, and the range of weapon systems lost is worryingly extensive. The diversion of contingent-owned equipment (COE)—that is, government-owned materiel—from the four Lake Chad Basin countries participating in and alongside the Multinational Joint Task Force (MNJTF) has occurred on a level unprecedented on the African continent.