3/17/2011 - Senior Airman Stanley Dennis, 730th Air Mobility Squadron, marshals a C-17 Globemaster III aircraft here March 17. The C-17 transported Japan Ground Self-Defense Force troops and vehicles from Okinawa, in support of Operation Tomodachi. (U.S. Air Force photo/Osakabe Yasuo)

3/17/2011 - Senior Airman Eva Gaus (left) and Senior Airman Jonathan Jones (right), both from 374th Civil Engineer Squadron, indicate "All Clear" to pilot after checking for beta and gamma radiation, here March 17. The C-17 transported Japan Ground Self Defense Force troop and vehicles here from Okinawa, to support the relief effort after the earthquake and tsunami, March 11. (U.S. Air Force photo/Osakabe Yasuo)

3/17/2011 - Japan Ground Self-Defense Force members disembark from a U.S. Globemaster III C-17 that transported them here from Okinawa March 17. JGSDF will team up with US forces to support Operation Tomodachi. (U.S. Air Force photo/Airman Krystal M. Garrett)

3/17/2011 - 1st Lt. Akira Takahashi, central transportation management command, marshals vehicles from the 15th Brigade, Japan Ground Self-Defense Force, at Yokota Air BAse March 17. The U.S. C-17 Globemaster III transported JGSDF troops and vehicles from Okinawa to support the relief effort after the earthquake and tsunami, March 11. (U.S. Air Force photo/Osakabe Yasuo)

3/17/2011 - Japan Ground Self-Defense Force members arrive at Yokota Air Base from Okinawa, March 17. JGSDF will team up with US forces to provide support for Operation Tomodachi. (U.S. Air Force photo/Airman 1st Class Krystal M. Garrett)