TOPSHOT – Four Chinese Navy submarines (L) and warships attend an international fleet review to celebrate the 60th anniversary of the founding of the People’s Liberation Army Navy on April 23, 2009 off Qingdao in Shandong Province. Fifty-six Chinese subs, destroyers, frigates, missile boats and planes were displayed off the eastern port city of Qingdao just weeks after tensions flared following a naval stand-off with the United States in the South China Sea. AFP PHOTO / POOL / Guang Niu (Photo by GUANG NIU / POOL / AFP) (Photo by GUANG NIU/POOL/AFP via Getty Images)