Teesri (Himachal Pradesh) [India], May 11 (ANI): In a special evacuation operation, the Indian Air Force (IAF) on Saturday airlifted an American national from Himachal Pradesh after she suffered a spinal injury while trekking. According to IAF, a Cheetah helicopter was launched for the casualty evacuation, and the women trekker was successfully airlifted from the treacherous terrain of Teesri village of Himachal Pradesh. Later on, she was brought to Chandigarh for further medical attention. “Based on the request of the civil admin to evacuate an American national, who had suffered a spinal inj…