Pyongyang, August 27 (KCNA) -- The U.S. imperialist aggressors and the south Korean puppets are conducting the "Ulji Focus Lens" joint war drill at its highest stage, according to military sources. The drill began on August 18. The U.S. imperialist warmongers deployed a lot of military aeroplanes of different missions from their bases in the mainland, Guam and Japan to their air force bases in south Korea at the start of the drill and staged a large-scale joint air drill in the skies above Thaebaek, Chunchon, Phochon and Tokjok islet on August 25. Two "U-2" high-altitude strategical reconnaissance aircraft on August 24 and tactical reconnaissance planes and electronic warfare helicopters on the following day reconnoitered over the DPRK day and night. U.S. troops and the south Korean puppets committed landing operations targeted at the DPRK in the East Sea of Korea under the command of blue ridge, the command ship of the U.S. 7th fleet. Meanwhile, the puppets held an exercise of river crossing, infiltration of commandoes and blasting drills on the Han River and other main operational zones, and mobilized tanks, artillery pieces and troops on August 25 to fire a great number of shells and bullets in Phaju city and Kosong county and Cholwon county in South Kangwon Province. KCNA Shawgi Tell Graduate School of Education University at Buffalo [EMAIL PROTECTED]