4. Any measure taken at sea pursuant to this chapter shall be carried out only by warships or military aircraft, or by other ships or aircraft clearly marked and identifiable as being on government service and authorized to that effect.
4. 根据本章在海上采取的任何措施，只应由军舰或军用航空器执行，或由经授权的、具有执行政府公务明显识别标志的其他船舶或航空器执行。