Summary: In view of the vital national security interests of the U.S. and its allies in the war on terror to accurately conceptualize the leadership role structure (terrorist types) in an organization such as al-Qaida and to interdict future attacks, Aubrey Immelman provides a summary of his analysis of the key leadership roles in global-reach terrorism operations. … One-year retrospective: One year ago today, on May 4, 2010, Aubrey Immelman provided his weekly report of U.S. military deaths in the Iraq and Afghanistan wars.