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
This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.