“With a recent rash of close encounters and fast approaches by Iranian vessels in international waters prompting U.S. ship commanders to fire flares and warning shots, the Navy’s top officer is warning that the consequences of this harassment could be significant and advocating for an agreed-upon rule set to govern these at-sea encounters.”
Source: ‘Tactical Miscalculation’ Likely if Iran Boat Harassment Persists: CNO | Military.com