Mother replaces son on Kirkuk's front lines
Senior Airman Derrick Johnson teaches his mother, Staff Sgt. Tammi Johnson, base defense practices Jan. 22 at Kirkuk Air Base, Iraq. Airman Johnson is currently training his mother, who is soon scheduled to replace him. Both are reservists working for the 506th Expeditionary Security Forces Squadron. (U.S. Air Force photo/Senior Airman SerMae Lampkin)