CAMP PENDLETON, Calif. (Jan. 20, 2017) – Lt. Karen McAllister, attached to Amphibious Construction Battalion 1, plots defensive pits in the Alfa company post during Field Training Exercise (FTX) 2017. FTX 2017 is a scenario-based exercise designed to train and test the battalion in Seabee Combat Warfare. ( Navy photo by Mass Communication Specialist 2nd Class Eric Chan/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: 1, 2017, 240b, acb, amphibious, battalion, bulk, construction, dvids, import, nmcs