I think its a great photo but it is curious. I checked the roll call for Fort Snelling National Cemetery and the two names on the front headstones, M Leone and Ralph J Nelson are not listed, John C Workman is though.
http://files.usgwarchives.net/mn/hennepin/cemeteries/fortsnelling/
http://gravelocator.cem.va.gov/j2ee/servlet/NGL_v1
Ralph Julian Nelson...buried at Fort Snelling in 2008.