A Russian walks past a Nebo-M radar deployed in a forest, during a military exercises on training ground "Telemba", about 80 kilometers (50 miles ) north of the city of Chita during the military exercises Vostok 2018 in Eastern Siberia, Russia, Wednesday, Sept. 12, 2018. Hundreds of thousands Russian troops swept across Siberia on Tuesday in the nation's largest ever war games also joined by China — a powerful show of burgeoning military ties between Moscow and Beijing amid their tensions with the U.S. (AP Photo/Sergei Grits)
A Russian soldier stands in front of a Nebo-M radar deployed in a forest, during a military exercises on training ground "Telemba", about 80 kilometers (50 miles ) north of the city of Chita during the military exercises Vostok 2018 in Eastern Siberia, Russia, Wednesday, Sept. 12, 2018. Hundreds of thousands Russian troops swept across Siberia on Tuesday in the nation's largest ever war games also joined by China — a powerful show of burgeoning military ties between Moscow and Beijing amid their tensions with the U.S. (AP Photo/Sergei Grits)
A Russian soldier runs towards a Nebo-M radar deployed by a forest, during a military exercises on training ground "Telemba", about 80 kilometers (50 miles ) north of the city of Chita during the military exercises Vostok 2018 in Eastern Siberia, Russia, Wednesday, Sept. 12, 2018. Hundreds of thousands Russian troops swept across Siberia on Tuesday in the nation's largest ever war games also joined by China — a powerful show of burgeoning military ties between Moscow and Beijing amid their tensions with the U.S. (AP Photo/Sergei Grits)
An air defense missile system flies during a military exercises on training ground "Telemba", about 80 kilometers (50 miles ) north of the city of Chita during the military exercises Vostok 2018 in Eastern Siberia, Russia, Wednesday, Sept. 12, 2018. Hundreds of thousands Russian troops swept across Siberia on Tuesday in the nation's largest ever war games also joined by China — a powerful show of burgeoning military ties between Moscow and Beijing amid their tensions with the U.S. (AP Photo/Sergei Grits)
An air defense missile system flies during a military exercises on training ground "Telemba", about 80 kilometers (50 miles ) north of the city of Chita during the military exercises Vostok 2018 in Eastern Siberia, Russia, Wednesday, Sept. 12, 2018. Hundreds of thousands Russian troops swept across Siberia on Tuesday in the nation's largest ever war games also joined by China — a powerful show of burgeoning military ties between Moscow and Beijing amid their tensions with the U.S. (AP Photo/Sergei Grits)
An air defense missile system is set off during a military exercises on training ground "Telemba", about 80 kilometers (50 miles ) north of the city of Chita during the military exercises Vostok 2018 in Eastern Siberia, Russia, Wednesday, Sept. 12, 2018. Hundreds of thousands Russian troops swept across Siberia on Tuesday in the nation's largest ever war games also joined by China — a powerful show of burgeoning military ties between Moscow and Beijing amid their tensions with the U.S. (AP Photo/Sergei Grits)
A Russian soldier stands in front of a Nebo-M radar deployed in a forest, during a military exercises on training ground "Telemba", about 80 kilometers (50 miles ) north of the city of Chita during the military exercises Vostok 2018 in Eastern Siberia, Russia, Wednesday, Sept. 12, 2018. Hundreds of thousands Russian troops swept across Siberia on Tuesday in the nation's largest ever war games also joined by China — a powerful show of burgeoning military ties between Moscow and Beijing amid their tensions with the U.S. (AP Photo/Sergei Grits)