
Two U.S. Marines V-22 Osprey tilt-rotor aircrafts participate in a landing exercise as part of the Philipines-U.S. Balikatan 2019 in Zambales Province, the Philippines, April 11, 2019. The Philippines and the United States began on April 1 their biggest annual joint military exercise known as Balikatan, or Shoulder-to-Shoulder. Exercise spokesman for the Philippines Lt. Cmdr. Liez Vidallon has said there are around 7,500 participating troops, consisting of some 4,000 Philippine troops and 3,500 U.S. troops, in this year's drills. (Xinhua/Zheng Xin)











