The three-week 'Pitch Black' exercise, being hosted by the Royal Australian Air Force (RAAF). The Indian Air Force, with its four Sukhoi-30 MKI fighter jets and two C-17 heavy-lift aircraft, joined the 'Pitch Black' exercise.
Marine biologist Ellen Prager has come out with a book titled "Dangerous Earth: What we wish we knew about volcanoes, hurricanes, climate change, earthquakes and more".
Union Defence Minister Rajnath Singh attended the annual meeting of Defence Ministers of the Shanghai Cooperation Organisation (SCO) member states in Tashkent, Uzbekistan.
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