A hand of scientist Dr. Peter Matic rests on a skull as he explains how Naval Research Laboratory is studying how the brain becomes injured by blasts like those created by improvised explosive devices through simulation to better develop protective helmets for Marines. (DoD News photo by EJ Hersom) 150513-D-DB155-003 by DoD News Photos

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Size: 1936px × 1291px
Photo credit: © Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

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