US Marine Corps member in desert camouflage, wielding an M136 (AT-4). To the USMC soldier who is expected to face a situation where they have to go up against enemy armored vehicles or installations without allied support as they execute landing operations in the face of enemy forces, infantry-portable anti-tank weaponries are indispensable equipments. Thusly, up until this day the M136 has been deployed in many operations, such as Operation Just Cause (the invasion of Panama), the Gulf War, Iraq War and the Afghan Conflict. Illustration by Shibafu.