An Israeli Air Force helicopter for accident investigation lands at the site where an Israeli military helicopter crashed earlier at Kibbutz Revadim in southern Israel on March 12, 2013. An Israel Air Force Bell AH-1 Cobra helicopter crashed into a wheat field at Kibbutz Revadim, killing two crew members, during a training flight on early Tuesday morning, confirmed by Israeli army spokesperson. (Xinhua/Yin Dongxun)