Maintainers keep 'Thunder' rolling
EIELSON AIR FORCE BASE, Alaska -- A crew chief with the Texas Air National Guard's 149th Fighter Wing waits patiently on the flightline here to send off a an F-16 Fighting Falcon on a morning mission during Cooperative Cope Thunder. The wing is among several Air Force units participating in the exercise. Other countries with participating units include Japan, Germany, Singapore, Australia, Sri Lanka, Mongolia, Thailand, Bangladesh, South Korea and the United Kingdom. (U.S. Air Force photo by Master Sgt. Ann Bennett)