Travis Air Force Base 2016 Year in Photos
Maj. Timothy Williams, left, and Maj. Lucas Neff, right, perform bench top testing of balloon catheters March 14 at Travis Air Force Base, California, using a custom-made blood flow simulator. The CIF, located at David Grant USAF Medical Center, is the research facility where the REBOA catheter came to fruition. (U.S. Air Force photo by Senior Airman Amber Carter)

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Photo by: Senior Airman Amber Carter |  VIRIN: 160314-F-F3215-109.JPG