Russia's military exercise Center-2015 is taking place between September 14 and 20. This year, the drill involves about 95,000 troops, over 7,000 pieces of military equipment, up to 170 warplanes and 20 ships. The exercise is held in the Urals area, as well as in the country’s European part. Various phases of the drills will take place at 20 land-based, naval and air training grounds and areas in the Central and Southern Military Districts. See how more than 50 helicopters launched a missile attack and landed troops as part of Russia's largest military drills of 2015 in this photo gallery by TASS.