1943- . US Marine lieutenant colonel. In 1981 he was inducted into the National Security Council (NSC), where he supervised the mining of Nicaraguan harbours 1983, an air-force bombing raid on Libya 1986, and an arms-for-hostages deal with Iran 1985 which, when uncovered in 1986 (Irangate), forced his dismissal and conviction on felony charges. He was born into a San Antonio, Texas, military family and was a graduate of the US Naval Academy, Annapolis. He led a counterinsurgency Marine platoon in the Vietnam War 1968-69, winning a Silver Star and Purple Heart. After working as a Marine instructor, as well as participating in a number of overseas secret missions, he became the NSC deputy director for political military affairs. North was convicted of obstructing Congress, mutilating government documents, and taking an illegal gratuity; he was fined $150,000.