This image or file is a work of a
U.S. Air Force Airman or employee, taken or made as part of that person's official duties. As a
work of the
U.S. federal government, the image or file is in the public domain in the United States.
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Image title
Capt. (Dr.) Heather Hancock, 59th Clinical Research Division, performs lab tests to determine remaining cell function during a vascular injury research study July 14. (Photo/Senior Airman Josie Walck)