Tehran, Iran: A classroom in a mosque with a group of Basiji (Mobilized volunteer forces) women in black chadors and gas masks on their heads by hte blackboard, learning how to use them in case of a chemical warfare attack by Saddam Hussein on Tehran. Towards the end of eight year long Iran-Iraq war the threat of Iraq’s use of chemical weapons were getting more likely as days went by. (Photo by Kaveh Kazemi/Getty Images)