Sgt. Christian R. Sanchez, Army Reserve combat engineer with the 374th Engineer Company (Sapper), of Concord, Calif., plots grid coordinates on a map using a protractor during a team-based land navigation course as part of the 2015 Sapper Stakes competition at Fort Chaffee, Ark., Aug. 30. The competition is designed to build teamwork, enhance combat engineering skills and promote leadership among the units. ( Army photo by Master Sgt. Michel Sauret) Sapper teams take land by foot 150830-A-TI382-120

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
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