Newly-acquired Sokol helicopters are displayed during a turn-over ceremony at the former US airfield, Clark airbase in Angeles City, Pampanga province, north of Manila on March 9, 2012. Swidnik SA formally turned-over four of the eight Sokol combat utility helicopters acquired by the Philippine government for its air force, which are equipped with the latest navigation and avionics sysytem including a night vision goggle compatible cockpit, allowing it to operate day and night in all weather conditions.