In this photo taken May 7, 2014, a casing left over from a live-fire exercise in a prairie area used for military training at Joint Base Lewis-McChord, Wash., is shown. The area also happens to be one... more 
In this photo taken May 7, 2014, a casing left over from a live-fire exercise in a prairie area used for military training at Joint Base Lewis-McChord, Wash., is shown. The area also happens to be one of the few habitats in the country where the federally listed endangered Taylor’s checkerspot butterfly lives. The Army has been working to boost the numbers of the butterflies. (AP Photo/Ted S. Warren) less 
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Associated Press | Photo By Ted S. Warren
Fri, May 23, 2014 3:45 AM EDT