Elise Goggin, Huntsville Center geophysicist, uses a tractor to pull a Metal Mapper along an artillery range at Camp Edwards Army National Guard Training Site located on Joint Base Cape Cod, Mass. The Metal Mapper is used to detect and mark the location of munitions. The munitions are then removed by unexploded ordnance technicians.

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Photo by: Patrick Bloodgood |  VIRIN: 131211-A-OI229-200.JPG