JACKSONVILLE, Fla. — A local neighborhood is wondering how this decades-old military weapon ended up in someone’s backyard. Mathew Sims says when he picked up the military munition, he quickly realized what it was that he was holding in his hands and slowly put it back where it was. Homeowner Mathew Sims said, “Okay is this live? You panic, then you drop.” That’s what was going through Sims’s mind when he found this, an unexploded military weapon in his backyard Wednesday located at 15th Street E. Sims told us he didn’t want to be on camera but says he was...