U.S. Marine Corps photo by CEO 5-16/Released 160412-M-ZZ999-125.JPG
Apr 12, 2016
On April 5, 2016 (from left to right) Second Lieutenants Justin Wilkison, Thomas Cofer, Troy Searcy, and Brock Yackey, Marines attending Combat Engineer Officer's course 5-16 (CEO 5-16); practice using the Dynamic Cone Petrometer (DCP). The DCP is used to test for moisture in the soil which helps determine soil suitability for construction.
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