Midshipmen 3rd Class Greg Zettler, left, Beth Malecha, center, and Michael Gardner clean shells for recycling at the Naval Surface Warfare Center. The three are taking part in Operation Grassroots, a summer program offering midshipmen a working knowledge of weapons assembly and disposal. Subject Operation/Series: GRASSROOTS Base: Crane Army Ammunition Activity State: Indiana(IN) Country: United States Of America (USA)

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Photo credit: © NB/ROD / Alamy / Afripics
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