Gen. John Allen, the commanding general of International Security Assistance Force, talks with Marjah district officials during his first visit to the district, Aug. 4. Allen succeeded Gen. David Petraeus as the ISAF commander. - Gen. John Allen, the commanding general of International Security Assistance Force, talks with Marjah district officials during his first visit to the district, Aug. 4. Allen succeeded Gen. David Petraeus as the ISAF commander.