NEW - Commander Yaste of USS John S. McCain relieved and replaced by Captain Christy after posting a photo of himself "firing a rifle with the scope mounted backward." www.disclose.tv/id/eutfqg8n2j hell.twtr.plus/media/07bb0605108a27c8c492513110e435dc7144688cd625bbbe51f8286dd39c6e8e.file