Lieutenant General Jang Duk-chang, Korean Air Force Chief of Staff, led a visiting friendship delegation made up by seven ROKAF officers, and take the ROKAF special flight, arriving at Taipei Songshan Airport at 5:00 pm yesterday.
Central Daily News (in Taiwan)
1957-04-22
<cite>韓國空軍參謀總長 張德昌等來華訪問 我空軍以隆重軍禮歡迎</cite>, 中央日報, <span class="mw-formatted-date" title="1957-04-23">1957-04-23</span>, page 1