David Kamm/NSRDEC Photographer Capt. Dave DeGroot, , puts volunteers into a water immersion tank at the Army Institute of Envrionmental Medicine at Natick Soldier Systems Center as part of a study that is looking at how Soldiers' bodies cool down. heal2 by MilitaryHealth

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Size: 1947px × 1284px
Photo credit: © Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

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