South Korea and the US also stage exercises in the Korean Peninsula, conducting a joint bombing drill.
China and Russia have started joint naval drills in the waters near the Russia-North Korea border, local media reported.
Aljazeera: Chinese-Russian naval drills begin off North Korea
Tug boats manoeuvre the 65,000-tonne British aircraft carrier HMS Queen Elizabeth on the Firth of Forth in east Scotland, on June 26, 2016, after escorting it out of its berth in Rosyth Naval dockyard to begin sea trials.
