Because Wu Tsai-hsi's flying skills had been so outstanding, he had also been selected to be a member of the air force's elite Thunder Tigers and sent to the Philippines to perform at an international flying show. It was in 1964 that he was chosen to train as a U-2 spy plane pilot in the United States.
吳載熙生前因飛行技術優異，被選拔為空軍雷虎特技小組組員，曾奉派赴菲律賓參加國際特技飛行表演；五十三年更被選為 U-2 偵察機飛行員，奉派赴美接受訓練。