Airmen assitant people in Thailand during Cope Tiger exercise
KORAT, Thailand -- Senior Airman David Hernandez, an optometry technician with the 374th Medical Group from Yokota Air Base, Japan, uses a tumbling E chart to gauge visual acuity during and eye exam at the Ban Chai Mong Khon School. Airmen Hernandez is one of 14 medical and dental personnel from bases throughout the Pacific participating in the Exercise Cope Tiger 2007 Humanitarian Civil Action projects in Thailand. The tumbling E chart is used when language or literacy is an obstacle when giving an exam. (Photo by U.S. Army Sergeant Catherine Talento)

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Photo by: U.S. Army Sergeant Catherine Talento |  VIRIN: 070131-A-4566T-001.JPG