Who did Gen. David Petraeus replace and what job did he assume?

Gen. David Petraeus replaced Gen. George Casey as the commander of U.S. Central Command (CENTCOM) in October 2008. He was responsible for overseeing U.S. military operations in the Middle East, including Iraq and Afghanistan. Petraeus's leadership was particularly noted for his role in the Iraq War surge strategy, which aimed to stabilize the country amidst ongoing conflict.