Four Salvadoran aviation technicians with the UN-backed Gang Suppression Force went missing in Croix-des-Bouquets, Haiti, after being ambushed on October 18, 2026, while returning from buying market food

Efforts by international actors to prevent armed conflict from starting, contain it once underway, and support post-conflict stabilization. Encompasses military deployments, ceasefire monitoring, civilian protection, and political mediation — a central function of multilateral security architecture.