Mostafa Chamran Save'ei ( Persian : مصطفی چمران ساوه‌ای ) (2 October 1932 – 21 June 1981) was an Iranian physicist , politician , commander and guerrilla fighter who served as the first defense minister of post-revolutionary Iran and a member of parliament as well as the commander of paramilitary volunteers in Iran–Iraq War , known as " Irregular Warfare Headquarters ". He was killed during the Iran–Iraq War.