U.S. Marine Corps photo by CEO 7-16/Released 160711-M-ZZ999-123.JPG
Jul 11, 2016
During a soil classification practical application on July 7, 2016 Second Lieutenants Jacob Cybulski (left), Garret Cheung (middle), and Czech Republic First Lieutenant Jakub Kominek (right); students attached to Combat Engineer Officer course 7-16 (CEO 7-16); prepare to perform a Grit Field Test. A Grit Field Test is a test where combat engineers place a pinch of soil between their teeth and bite to classify the soil. Soil classification is used to determine the potential behavior of soil under traffic or foundation loads.
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