A U.S. Marine was killed and five others went missing after an FA-18 jet and KC-130 tanker plane based in Japan collided and crashed off the country's western coast early Thursday while conducting nighttime air refueling training.The Marine and another crew member of the fighter jet were rescued by the Japanese Self-Defense Forces following the 1:40 a.m. accident, the third crash of U.S. military aircraft in about two months. The other rescued Marine is in stable conditions, according to the Marine Corps.U.S. carrier fighter jet crashes, 2nd case in monthREAD FULL ARTICLE