The Al-Qassam Brigades is the military wing of the Hamas organization, which governs the Gaza Strip. Established in the late 1980s, it is named after Izz ad-Din al-Qassam, a Palestinian Arab leader known for his resistance against British rule. The group is involved in various military operations and has been designated as a terrorist organization by several countries. The Al-Qassam Brigades primarily focuses on armed resistance against Israel and has been involved in numerous conflicts, including rocket attacks and tunnel warfare. The group claims to defend Palestinian rights and aims to establish an Islamic state in historic Palestine. Its activities have significantly influenced the ongoing Israeli-Palestinian conflict.