U.S. Army National Guard soldiers assigned to the 741st Quartermaster, South Carolina National Guard, purify lake water using the tactical water purification system for Ardent Sentry operations in Barnwell, S.C., May 18, 2013. The S.C. National Guard is participating in a major North American Aerospace Defense Command and United States Northern Command sponsored training exercise May 17-21, 2013, that involves a scenario of a hurricane striking the South Carolina coast requiring more than 1,500 members of the S.C. National Guard to practice disaster response activities and coordination procedu

- Image ID: HF1A1G

U.S. Army National Guard soldiers assigned to the 741st Quartermaster, South Carolina National Guard, purify lake water using the tactical water purification system for Ardent Sentry operations in Barnwell, S.C., May 18, 2013. The S.C. National Guard is participating in a major North American Aerospace Defense Command and United States Northern Command sponsored training exercise May 17-21, 2013, that involves a scenario of a hurricane striking the South Carolina coast requiring more than 1,500 members of the S.C. National Guard to practice disaster response activities and coordination procedu

PJF Military Collection / Alamy Stock Photo

Image ID: HF1A1G

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